DeCS 
    2008 - March 17, 2008 version
    
       
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          Alphabetic 
          Index of Descriptors  
         
            
        
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 P Blood-Group System  | 
P Selectin use P-Selectin  | 
P-B Antibodies use Antibodies, Heterophile  | 
P-Cadherins use Cadherins  | 
P-Cell Stimulating Factor use Interleukin-3  | 
P-Glycoprotein  | 
P-Glycoproteins  | 
P-Selectin  | 
P-Type Calcium Channels use Calcium Channels, P-Type  | 
P0 Glycoprotein use Myelin P0 Protein  | 
P0 Protein use Myelin P0 Protein  | 
P1 Bacteriophage Artificial Chromosomes use Chromosomes, Artificial, P1 Bacteriophage  | 
P1 Phage use Bacteriophage P1  | 
P1 Purinoceptors use Receptors, Purinergic P1  | 
P2 Phage use Bacteriophage P2  | 
P2 Protein use Myelin P2 Protein  | 
P2 Purinoceptors use Receptors, Purinergic P2  | 
P22 Phage use Bacteriophage P22  | 
P300 Event-Related Potentials use Event-Related Potentials, P300  | 
P388D(1) Leukemia use Leukemia P388  | 
P40 T-Cell Growth Factor use Interleukin-9  | 
P450(c17) use Steroid 17-alpha-Hydroxylase  | 
PABA use 4-Aminobenzoic Acid  | 
PACAP Receptors use Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide  | 
PACAP Receptors, Type I use Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide, Type I  | 
PACS (Radiology) use Radiology Information Systems  | 
PAF Acetylhydrolase use 1-Alkyl-2-acetylglycerophosphocholine Esterase  | 
PAF-Acether use Platelet Activating Factor  | 
PAHO use Pan American Health Organization  | 
PAHO Directing Council  | 
PAHO Executive Committee  | 
PAHO Regional Centers  | 
PAHOERC use Ethical Review Committee on Research  | 
PAI-1 use Plasminogen Activator Inhibitor 1  | 
PAI-2 use Plasminogen Activator Inhibitor 2  | 
PAI-3 use Protein C Inhibitor  | 
PANAFTOSA use Pan American Foot-and-Mouth Disease Center  | 
PAPP-A use Pregnancy-Associated Plasma Protein-A  | 
PAR-1 Receptor use Receptor, PAR-1  | 
PAR-2 Receptor use Receptor, PAR-2  | 
PAS use p-Aminosalicylic Acid  | 
PAS Reaction use Periodic Acid-Schiff Reaction  | 
PAX2 Transcription Factor  | 
PAX7 Transcription Factor  | 
PAX9 Transcription Factor  | 
PC1 Prohormone Convertase use Proprotein Convertase 1  | 
PC12 Cells  | 
PCA use Passive Cutaneous Anaphylaxis  | 
PCBs use Polychlorinated Biphenyls  | 
PCMB use p-Chloromercuribenzoic Acid  | 
PCMBS use 4-Chloromercuribenzenesulfonate  | 
PCNA use Proliferating Cell Nuclear Antigen  | 
PCP Abuse use Phencyclidine Abuse  | 
PCP Receptors use Receptors, Phencyclidine  | 
PCR use Polymerase Chain Reaction  | 
PD-ECGF use Thymidine Phosphorylase  | 
PDGF Receptors use Receptors, Platelet-Derived Growth Factor  | 
PDGF alpha Receptor use Receptor, Platelet-Derived Growth Factor alpha  | 
PDGF beta Receptor use Receptor, Platelet-Derived Growth Factor beta  | 
PDGF-R-alpha use Receptor, Platelet-Derived Growth Factor alpha  | 
PDGFB use Proto-Oncogene Proteins c-sis  | 
PDGFR beta use Receptor, Platelet-Derived Growth Factor beta  | 
PDH Phosphatase use Pyruvate Dehydrogenase (Lipoamide)-Phosphatase  | 
PDZ Domains  | 
PECAM-1 use Antigens, CD31  | 
PEEP use Positive-Pressure Respiration  | 
PEEP, Intrinsic use Positive-Pressure Respiration, Intrinsic  | 
PEEP, Occult use Positive-Pressure Respiration, Intrinsic  | 
PERT use Critical Path Method  | 
PET Scan use Positron-Emission Tomography  | 
PF 3 use Platelet Factor 3  | 
PG Analogs use Prostaglandins, Synthetic  | 
PGA use Prostaglandins A  | 
PGA Synthetic use Prostaglandins A, Synthetic  | 
PGB use Prostaglandins B  | 
PGD use Prostaglandins D  | 
PGD2 use Prostaglandin D2  | 
PGE use Prostaglandins E  | 
PGE Receptors use Receptors, Prostaglandin E  | 
PGE Synthetic use Prostaglandins E, Synthetic  | 
PGE1 use Alprostadil  | 
PGE2 use Dinoprostone  | 
PGE2 Receptors use Receptors, Prostaglandin E  | 
PGE2alpha use Dinoprostone  | 
PGF use Prostaglandins F  | 
PGF Synthetic use Prostaglandins F, Synthetic  | 
PGF2 use Dinoprost  | 
PGF2alpha use Dinoprost  | 
PGG use Prostaglandins G  | 
PGH Synthase use Prostaglandin-Endoperoxide Synthases  | 
PGH2 use Prostaglandin H2  | 
PGI2 use Epoprostenol  | 
PGI2 Receptor use Receptors, Epoprostenol  | 
PGX use Epoprostenol  | 
PHEMA use Polyhydroxyethyl Methacrylate  | 
PHEX Phosphate Regulating Neutral Endopeptidase  | 
PHI Peptide use Peptide PHI  | 
PI-3 Kinase use 1-Phosphatidylinositol 3-Kinase  | 
PIAS1 Protein Inhibitor of Activated STAT use Protein Inhibitors of Activated STAT  | 
PII Nitrogen Regulatory Proteins  | 
PIP2 use Phosphatidylinositol 4,5-Diphosphate  | 
PKC Serine-Threonine Kinase use Protein Kinase C  | 
PKC-alpha Serine-Threonine Kinase use Protein Kinase C-alpha  | 
PKC-delta Serine-Threonine Kinase use Protein Kinase C-delta  | 
PL 104-191 use Health Insurance Portability and Accountability Act  | 
PM2 Bacteriophage use Corticoviridae  | 
PMMA use Polymethyl Methacrylate  | 
PMN Elastase use Leukocyte Elastase  | 
PMP use Probable Maximum Precipitation  | 
PNET use Neuroectodermal Tumors, Primitive  | 
POEMS Syndrome  | 
POMC use Pro-Opiomelanocortin  | 
PONV use Postoperative Nausea and Vomiting  | 
PORP use Ossicular Prosthesis  | 
POU Domain Factors  | 
PP Cells, Pancreatic use Pancreatic Polypeptide-Secreting Cells  | 
PP2B use Calcineurin  | 
PPAR alpha  | 
PPAR delta  | 
PPAR gamma  | 
PPAR-beta  | 
PPARalpha use PPAR alpha  | 
PPARdelta use PPAR delta  | 
PPARgamma use PPAR gamma  | 
PPIase use Peptidylprolyl Isomerase  | 
PPLO use Mycoplasma  | 
PPP use Public-Private Partnership  | 
PPRA use Program of Risk Prevention on Working Environment  | 
PQQ Cofactor  | 
PRAD1 Protein use Cyclin D1  | 
PRINS use Primed In Situ Labeling  | 
PRL-Secreting Pituitary Adenoma use Prolactinoma  | 
PRO Professional Review Organizations use Professional Review Organizations  | 
PROD use Cytochrome P-450 CYP2B1  | 
PROPAC use Prospective Payment Assessment Commission  | 
PROST use Zygote Intrafallopian Transfer  | 
PRPP Synthetase use Ribose-Phosphate Pyrophosphokinase  | 
PRRS use Porcine Reproductive and Respiratory Syndrome  | 
PRRSV use Porcine respiratory and reproductive syndrome virus  | 
PSDA use Patient Self-Determination Act  | 
PSRO use Professional Review Organizations  | 
PTA Deficiency use Factor XI Deficiency  | 
PTC use Factor IX  | 
PTCA use Angioplasty, Transluminal, Percutaneous Coronary  | 
PTEN Hamartoma Tumor Syndrome use Hamartoma Syndrome, Multiple  | 
PTEN Phosphohydrolase  | 
PTSD use Stress Disorders, Post-Traumatic  | 
PUVA Therapy  | 
PVC Pipes  | 
PVP-Iodine use Povidone-Iodine  | 
PYLL use Potential Years of Life Lost  | 
PYY Peptide use Peptide YY  | 
Pacemaker, Artificial  | 
Pacemakers, Biological use Biological Clocks  | 
Pachira use Bombacaceae  | 
Pachycarpine use Sparteine  | 
Pachydermatocele use Neurofibroma, Plexiform  | 
Pachydermoperiostosis use Osteoarthropathy, Primary Hypertrophic  | 
Pachygyria use Lissencephaly  | 
Pachymeningitis use Meningitis  | 
Pachyonychia Congenita  | 
Pachyonychia Congenita, Type 1 use Pachyonychia Congenita  | 
Pachyonychia Congenita, Type 2 use Pachyonychia Congenita  | 
Pachyrhizus  | 
Pachyrhizus thunbergianus use Pueraria  | 
Pachysandra  | 
Pachytene Stage  | 
Pacific Island Americans use Oceanic Ancestry Group  | 
Pacific Islands  | 
Pacific Northwest use Northwestern United States  | 
Pacific Ocean  | 
Pacific States  | 
Pacifiers  | 
Pacing, Cardiac, Artificial use Cardiac Pacing, Artificial  | 
Pacinian Corpuscles  | 
Pack Ice use Ice Barrier  | 
Package Inserts use Product Labeling  | 
Package Inserts for the Patient  | 
Package Inserts, Drug use Drug Labeling  | 
Packaging, Drug use Drug Packaging  | 
Packaging, Food use Food Packaging  | 
Packaging, Product use Product Packaging  | 
Packaging, Viral use Virus Assembly  | 
Packed Red-Cell Volume use Hematocrit  | 
Packers use Packing Industry  | 
Packing Industry  | 
Packing of Equipment and Supplies use Equipment and Supplies Packing  | 
Packing of Tobacco-Derived Products use Tobacco-Derived Products Labeling  | 
Paclitaxel  | 
Pact use Treaties  | 
Pactamycin  | 
Paecilomyces  | 
Paeonia  | 
Paeonia officinalis  | 
Paeoniae Radix use Paeonia  | 
Paepalanthus use Eriocaulaceae  | 
Paget's Disease of Bone use Osteitis Deformans  | 
Paget's Disease of Breast use Paget's Disease, Mammary  | 
Paget's Disease, Extramammary  | 
Paget's Disease, Mammary  | 
Pagetoid Reticulosis use Mycosis Fungoides  | 
Pagophilus groenlandicus use Seals, Earless  | 
Pagurus use Anomura  | 
Pain  | 
Pain Assessment use Pain Measurement  | 
Pain Centers use Pain Clinics  | 
Pain Clinics  | 
Pain Disorder use Somatoform Disorders  | 
Pain Indifference, Congenital use Pain Insensitivity, Congenital  | 
Pain Insensitivity with Anhidrosis, Congenital use Hereditary Sensory and Autonomic Neuropathies  | 
Pain Insensitivity, Congenital  | 
Pain Measurement  | 
Pain Receptors use Nociceptors  | 
Pain Relief Units use Pain Clinics  | 
Pain Syndrome Type I, Regional, Complex use Reflex Sympathetic Dystrophy  | 
Pain Syndromes, Regional Complex use Complex Regional Pain Syndromes  | 
Pain Threshold  | 
Pain, Facial use Facial Pain  | 
Pain, Intractable  | 
Pain, Menstrual use Dysmenorrhea  | 
Pain, Postoperative  | 
Pain, Referred  | 
Paint  | 
Paintbrush, Indian use Acanthaceae  | 
Painting Industry  | 
Paintings  | 
Pair Bond  | 
Paired Box Transcription Factors  | 
Paired-Associate Learning  | 
Pakistan  | 
Pakur use Ficus religiosa  | 
Palaemon use Palaemonidae  | 
Palaemonetes use Palaemonidae  | 
Palaemonidae  | 
Palaeognathae  | 
Palaquium  | 
Palatal Expansion Technique  | 
Palatal Muscles  | 
Palatal Neoplasms  | 
Palatal Obturators  | 
Palate  | 
Palate, Hard  | 
Palate, Soft  | 
Palatine Bone use Palate, Hard  | 
Palatine Tonsil use Tonsil  | 
Palatopharyngeal Incompetence use Velopharyngeal Insufficiency  | 
Palau  | 
Paleodontology  | 
Paleography  | 
Paleontology  | 
Paleopathology  | 
Paleostriatum use Globus Pallidus  | 
Palestinians use Arabs  | 
Palicourea use Rubiaceae  | 
Palinuridae  | 
Palladium  | 
Palladium Metallicum  | 
Palliative Care  | 
Palliative Treatment use Palliative Care  | 
Pallidotomy  | 
Pallor  | 
Palm Fat use Vegetable Fats  | 
Palm Oil  | 
Palm, Cycad use Cycas  | 
Palm, False Sago use Cycas  | 
Palm, Peach use Arecaceae  | 
Palm, Rattan use Calamus  | 
Palm-Leaf Reaction use Cervix Mucus  | 
Palmar Carpal Ligament use Volar Plate  | 
Palmar Ligaments use Volar Plate  | 
Palmar Plate use Volar Plate  | 
Palmer Index  | 
Palmitates  | 
Palmitic Acid  | 
Palmitic Acids  | 
Palmitoyl CoA use Palmitoyl Coenzyme A  | 
Palmitoyl CoA Deacylase use Palmitoyl-CoA Hydrolase  | 
Palmitoyl Coenzyme A  | 
Palmitoyl Coenzyme A Hydrolase use Palmitoyl-CoA Hydrolase  | 
Palmitoyl Thioesterase use Palmitoyl-CoA Hydrolase  | 
Palmitoyl-CoA Hydrolase  | 
Palmitoylation use Lipoylation  | 
Palmitoylcarnitine  | 
Palmitylcarnitine use Palmitoylcarnitine  | 
Palmoplantar Keratoderma use Keratoderma, Palmoplantar  | 
Palmoplantaris Pustulosis use Psoriasis  | 
Paloondo  | 
Palpation  | 
Palpebral Conjunctiva use Conjunctiva  | 
Palsy use Paralysis  | 
Palyam Virus  | 
Pambotano use Calliandra houstoni  | 
Pamphlets  | 
Pan American Center for Sanitary Engineering and Environmental Sciences  | 
Pan American Foot-and-Mouth Disease Center  | 
Pan American Health Organization  | 
Pan American Sanitary Conference  | 
Pan paniscus  | 
Pan troglodytes  | 
Panacea arvensis  | 
Panaeolus sphinctrinus use Agaricus campanulatus  | 
Panama  | 
Panama Canal Zone  | 
Panamerican Information and Documentation Network on Sanitary Engineering and Environmental Sciences use Pan American Center for Sanitary Engineering and Environmental Sciences  | 
Panax  | 
Panax ginseng use Panax  | 
Panax notoginseng  | 
Panax quinquefolia use Ginseng (Homeopathy)  | 
Panaxosides use Ginsenosides  | 
Pancoast's Syndrome  | 
Pancreas  | 
Pancreas Transplantation  | 
Pancreas, Artificial  | 
Pancreas, Artificial Endocrine use Insulin Infusion Systems  | 
Pancreas, Endocrine use Islets of Langerhans  | 
Pancreas, Exocrine  | 
Pancreatectomy  | 
Pancreatic Cancer use Pancreatic Neoplasms  | 
Pancreatic Cholera use Vipoma  | 
Pancreatic Cyst  | 
Pancreatic Diseases  | 
Pancreatic Ductal Carcinoma use Carcinoma, Pancreatic Ductal  | 
Pancreatic Ducts  | 
Pancreatic Elastase  | 
Pancreatic Extracts  | 
Pancreatic Fistula  | 
Pancreatic Function Tests  | 
Pancreatic Hormone Receptors use Receptors, Pancreatic Hormone  | 
Pancreatic Hormones  | 
Pancreatic Insufficiency use Exocrine Pancreatic Insufficiency  | 
Pancreatic Islets use Islets of Langerhans  | 
Pancreatic Islets Transplantation use Islets of Langerhans Transplantation  | 
Pancreatic Juice  | 
Pancreatic Kallikrein use Tissue Kallikreins  | 
Pancreatic Necrosis Virus, Infectious use Infectious pancreatic necrosis virus  | 
Pancreatic Neoplasms  | 
Pancreatic Polypeptide  | 
Pancreatic Polypeptide-Secreting Cells  | 
Pancreatic Pseudocyst  | 
Pancreatic Secretory Trypsin Inhibitor, Kazal use Trypsin Inhibitor, Kazal Pancreatic  | 
Pancreatic Stone Protein use Lithostathine  | 
Pancreatic Trypsin Secretory Inhibitor, Kazal use Trypsin Inhibitor, Kazal Pancreatic  | 
Pancreatic alpha Cells use Glucagon-Secreting Cells  | 
Pancreatic beta Cells use Insulin-Secreting Cells  | 
Pancreatic delta Cells use Somatostatin-Secreting Cells  | 
Pancreaticoduodenectomy  | 
Pancreaticojejunostomy  | 
Pancreatin  | 
Pancreatinum  | 
Pancreatitis  | 
Pancreatitis, Acute Necrotizing  | 
Pancreatitis, Alcoholic  | 
Pancreatitis, Chronic  | 
Pancreatoduodenectomy use Pancreaticoduodenectomy  | 
Pancreatojejunostomy use Pancreaticojejunostomy  | 
Pancreatopeptidase use Pancreatic Elastase  | 
Pancrelipase  | 
Pancreozymin use Cholecystokinin  | 
Pancreozymin Receptors use Receptors, Cholecystokinin  | 
Pancuronium  | 
Pancytopenia  | 
Pandalidae  | 
Pandalus use Pandalidae  | 
Pandanaceae  | 
Pandanus use Pandanaceae  | 
Pandas, Giant use Ursidae  | 
Pandas, Greater use Ursidae  | 
Pandas, Lesser use Ailuridae  | 
Pandemics use Disease Outbreaks  | 
Panencephalitis, Subacute Sclerosing use Subacute Sclerosing Panencephalitis  | 
Paneth Cells  | 
Panhypopituitarism use Hypopituitarism  | 
Panic  | 
Panic Attacks use Panic Disorder  | 
Panic Disorder  | 
Panicgrass use Panicum  | 
Panicovirus use Tombusviridae  | 
Panicum  | 
Panleukopenia, Feline use Feline Panleukopenia  | 
Panna  | 
Panniculitis  | 
Panniculitis, Lupus Erythematosus  | 
Panniculitis, Nodular Nonsuppurative  | 
Panniculitis, Peritoneal  | 
Panniculitis, Subacute Nodular Migratory use Panniculitis  | 
Panophthalmitis  | 
Panoramic Radiography use Radiography, Panoramic  | 
Pansporablastina  | 
Panstrongylus  | 
Pansy use Viola  | 
Pantetheine  | 
Panthera  | 
Panthera leo use Lions  | 
Panthera tigris use Tigers  | 
Pantherine use Muscimol  | 
Pantoea  | 
Pantoea agglomerans use Pantoea  | 
Pantomography use Radiography, Panoramic  | 
Pantothenate Kinase-Associated Neurodegeneration  | 
Pantothenic Acid  | 
Panulirus use Palinuridae  | 
Panuveitis  | 
Papain  | 
Papanicolaou Smear use Vaginal Smears  | 
Papaver  | 
Papaveraceae  | 
Papaveretum use Opium  | 
Papaverine  | 
Papaverinum  | 
Papaya use Carica  | 
Papaya vulgaris use Asimina triloba  | 
Paper  | 
Paper Waste use Solid Waste Recipients  | 
Papillary Muscles  | 
Papilledema  | 
Papillitis, Optic use Papilledema  | 
Papilloma  | 
Papilloma Virus DNA Probes use DNA Probes, HPV  | 
Papilloma Virus, Shope use Cottontail rabbit papillomavirus  | 
Papilloma, Choroid Plexus  | 
Papilloma, Intraductal  | 
Papilloma, Inverted  | 
Papilloma, Shope use Tumor Virus Infections  | 
Papilloma, Squamous Cell use Papilloma  | 
Papillomatosis use Papilloma  | 
Papillomaviridae  | 
Papillomavirus E7 Proteins  | 
Papillomavirus Infections  | 
Papillomavirus Vaccines  | 
Papillomavirus sylvilagi use Cottontail rabbit papillomavirus  | 
Papillon-Leage and Psaume Syndrome use Orofaciodigital Syndromes  | 
Papillon-Lefevre Disease  | 
Papio  | 
Papio anubis  | 
Papio cynocephalus  | 
Papio hamadryas  | 
Papio papio  | 
Papio ursinus  | 
Pappataci Fever use Phlebotomus Fever  | 
Paprika use Capsicum  | 
Papua New Guinea  | 
Papular Mucinosis use Scleromyxedema  | 
Papulosquamous Disorders use Skin Diseases, Papulosquamous  | 
Para-Aortic Bodies  | 
Parabens  | 
Parabiosis  | 
Paracentesis  | 
Paracentral Thalamic Nucleus use Intralaminar Thalamic Nuclei  | 
Paracentrotus  | 
Paracetamol use Acetaminophen  | 
Parachlamydiaceae use Chlamydiales  | 
Parachloramine use Meclizine  | 
Parachuting use Aviation  | 
Paracoccidioides  | 
Paracoccidioidomycosis  | 
Paracoccus  | 
Paracoccus denitrificans  | 
Paracoccus pantotrophus  | 
Paracolobactrum use Enterobacteriaceae  | 
Paracrine Communication  | 
Paracrine Peptide Factors use Intercellular Signaling Peptides and Proteins  | 
Paracrine Protein Factors use Intercellular Signaling Peptides and Proteins  | 
Paracrine Signaling use Paracrine Communication  | 
Paradentium use Periodontium  | 
Paradoxical Extensor Reflex, Great Toe use Reflex, Babinski  | 
Paradoxical Sleep use Sleep, REM  | 
Parafascicular Thalamic Nucleus use Intralaminar Thalamic Nuclei  | 
Paraffin  | 
Paraffin Embedding  | 
Paraffin Jelly use Petrolatum  | 
Paraffinum  | 
Paraganglia, Chromaffin  | 
Paraganglia, Nonchromaffin  | 
Paraganglioma  | 
Paraganglioma, Carotid Body use Carotid Body Tumor  | 
Paraganglioma, Extra-Adrenal  | 
Paraganglioma, Gangliocytic use Paraganglioma  | 
Paraganglioma, Nonchromaffin use Paraganglioma, Extra-Adrenal  | 
Parageusia use Dysgeusia  | 
Paragonimiasis  | 
Paragonimus  | 
Paragonimus westermani  | 
Paragrapher  | 
Paraguay  | 
Parahemophilia use Factor V Deficiency  | 
Parahippocampal Gyrus  | 
Paraimmunoglobulinemias use Paraproteinemias  | 
Parainfluenza use Paramyxoviridae Infections  | 
Parainfluenza Vaccines  | 
Parainfluenza Virus 1, Human  | 
Parainfluenza Virus 2, Human  | 
Parainfluenza Virus 3, Bovine  | 
Parainfluenza Virus 3, Human  | 
Parainfluenza Virus 4, Human  | 
Parainfluenza Virus Infections use Paramyxoviridae Infections  | 
Parakeets  | 
Parakeratosis  | 
Parakeratosis Variegata use Parapsoriasis  | 
Paraldehyde  | 
Paralithodes use Anomura  | 
Parallax, Ocular use Vision Disparity  | 
Parallel Lagoons  | 
Paralyses, Familial Periodic  | 
Paralysis  | 
Paralysis Agitans use Parkinson Disease  | 
Paralysis, Bulbar use Bulbar Palsy, Progressive  | 
Paralysis, Hyperkalemic Periodic  | 
Paralysis, Hypokalemic Periodic use Hypokalemic Periodic Paralysis  | 
Paralysis, Lower Extremities use Paraplegia  | 
Paralysis, Obstetric  | 
Paralysis, Periodic, Hyperkalemic, Familial use Paralysis, Hyperkalemic Periodic  | 
Paralysis, Pseudobulbar use Pseudobulbar Palsy  | 
Paralysis, Respiratory Muscle use Respiratory Paralysis  | 
Paralysis, Sleep use Sleep Paralysis  | 
Paralytic Ileus use Intestinal Pseudo-Obstruction  | 
Paramagnetic Resonance use Electron Spin Resonance Spectroscopy  | 
Paramecium  | 
Paramecium aurelia  | 
Paramecium caudatum  | 
Paramecium tetraurelia  | 
Paramedical Personnel use Allied Health Personnel  | 
Paramedics use Allied Health Personnel  | 
Paramedics, Emergency use Emergency Medical Technicians  | 
Parameters  | 
Paramethasone  | 
Parametritis  | 
Paramorphan use Dihydromorphine  | 
Paramphistomata use Paramphistomatidae  | 
Paramphistomatidae  | 
Paramphistomum use Paramphistomatidae  | 
Paramyosin use Tropomyosin  | 
Paramyotonia Congenita use Myotonic Disorders  | 
Paramyxoviridae  | 
Paramyxoviridae Infections  | 
Paramyxovirinae  | 
Paramyxovirus 1, Avian use Newcastle disease virus  | 
Paramyxoviruses, Avian use Avulavirus  | 
Paranasal Sinus Diseases  | 
Paranasal Sinus Neoplasms  | 
Paranasal Sinus-Nasal Cavity Esthesioneuroblastoma use Esthesioneuroblastoma, Olfactory  | 
Paranasal Sinuses  | 
Paraneoplastic Autonomic Dysfunction use Paraneoplastic Syndromes, Nervous System  | 
Paraneoplastic Cerebellar Degeneration  | 
Paraneoplastic Cerebellar Degeneration, Anti-Yo-Associated use Paraneoplastic Cerebellar Degeneration  | 
Paraneoplastic Encephalomyelitis use Paraneoplastic Syndromes, Nervous System  | 
Paraneoplastic Endocrine Syndromes  | 
Paraneoplastic Limbic Encephalitis use Limbic Encephalitis  | 
Paraneoplastic Opsoclonus-Myoclonus Ataxia use Opsoclonus-Myoclonus Syndrome  | 
Paraneoplastic Peripheral Neuropathy use Paraneoplastic Polyneuropathy  | 
Paraneoplastic Polyneuropathy  | 
Paraneoplastic Syndromes  | 
Paraneoplastic Syndromes, Nervous System  | 
Paranoia use Paranoid Disorders  | 
Paranoid Behavior  | 
Paranoid Disorder, Shared use Shared Paranoid Disorder  | 
Paranoid Disorders  | 
Paranoid Personality Disorder  | 
Paranoid Psychoses use Paranoid Disorders  | 
Paranoid Schizophrenia use Schizophrenia, Paranoid  | 
Paraosmia use Olfaction Disorders  | 
Paraoxon  | 
Paraparesis  | 
Paraparesis, Spastic  | 
Paraparesis, Tropical Spastic  | 
Paraphenylendiaminum  | 
Paraphilias  | 
Paraphimosis  | 
Paraphrenia, Involutional use Depressive Disorder, Major  | 
Paraplegia  | 
Paraplegia, Spastic use Paraplegia  | 
Parapoxvirus  | 
Paraproteinemias  | 
Paraproteins  | 
Parapsoriasis  | 
Parapsoriasis en Plaques use Parapsoriasis  | 
Parapsychology  | 
Paraquat  | 
Parascaris use Ascaridoidea  | 
Parasite Chain use Food Chain  | 
Parasite Egg Count  | 
Parasite-Host Relations use Host-Parasite Interactions  | 
Parasitemia  | 
Parasites  | 
Parasitic Diseases  | 
Parasitic Diseases, Animal  | 
Parasitic Eye Infections use Eye Infections, Parasitic  | 
Parasitic Infections, Central Nervous System use Central Nervous System Parasitic Infections  | 
Parasitic Intestinal Diseases use Intestinal Diseases, Parasitic  | 
Parasitic Liver Diseases use Liver Diseases, Parasitic  | 
Parasitic Lung Diseases use Lung Diseases, Parasitic  | 
Parasitic Pregnancy Complications use Pregnancy Complications, Parasitic  | 
Parasitic Sensitivity Tests  | 
Parasitic Skin Diseases use Skin Diseases, Parasitic  | 
Parasitic Worms use Helminths  | 
Parasiticides use Antiparasitic Agents  | 
Parasitological Analysis  | 
Parasitology  | 
Parasomnias  | 
Parasomnias, REM Sleep use REM Sleep Parasomnias  | 
Parasuicide use Self-Injurious Behavior  | 
Parasympathectomy  | 
Parasympathetic Denervation use Parasympathectomy  | 
Parasympathetic Fibers, Postganglionic  | 
Parasympathetic Ganglia use Ganglia, Parasympathetic  | 
Parasympathetic Nervous System  | 
Parasympathetic Nervous System Diseases use Autonomic Nervous System Diseases  | 
Parasympathetic-Blocking Agents use Parasympatholytics  | 
Parasympatholytics  | 
Parasympathomimetics  | 
Parasystole  | 
Paratenial Thalamic Nucleus use Midline Thalamic Nuclei  | 
Parathion  | 
Parathion Methyl use Methyl Parathion  | 
Parathormonum use Parathyreoidinum  | 
Parathyreoidinum  | 
Parathyroid Cancer use Parathyroid Neoplasms  | 
Parathyroid Diseases  | 
Parathyroid Glands  | 
Parathyroid Hormone  | 
Parathyroid Hormone Receptor 2 use Receptor, Parathyroid Hormone, Type 2  | 
Parathyroid Hormone Receptor Type 1 use Receptor, Parathyroid Hormone, Type 1  | 
Parathyroid Hormone Receptors use Receptors, Parathyroid Hormone  | 
Parathyroid Hormone-Related Protein  | 
Parathyroid Neoplasms  | 
Parathyroidectomy  | 
Paratopes use Binding Sites, Antibody  | 
Paratuberculosis  | 
Paratyphoid Fever  | 
Paratyphoid Vaccine use Typhoid-Paratyphoid Vaccines  | 
Paratyphoidinum  | 
Paravaccinia virus use Pseudocowpox virus  | 
Paraventricular Hypothalamic Nucleus  | 
Paraventricular Thalamic Nucleus use Midline Thalamic Nuclei  | 
Parechovirus  | 
Pareira brava  | 
Parent, Single use Single Parent  | 
Parent-Child Relations  | 
Parental Consent  | 
Parental Imprinting use Genomic Imprinting  | 
Parental Leave  | 
Parental Notification  | 
Parenteral Feeding use Parenteral Nutrition  | 
Parenteral Feeding, Home use Parenteral Nutrition, Home  | 
Parenteral Hyperalimentation use Parenteral Nutrition, Total  | 
Parenteral Infusions use Infusions, Parenteral  | 
Parenteral Nutrition  | 
Parenteral Nutrition, Home  | 
Parenteral Nutrition, Home Total  | 
Parenteral Nutrition, Total  | 
Parenterally-Transmitted Non-A, Non-B Hepatitis use Hepatitis C  | 
Parenting  | 
Parents  | 
Paresis  | 
Paresthesia  | 
Paretic Neurosyphilis use Neurosyphilis  | 
Pargyline  | 
Parietal Bone  | 
Parietal Cells, Gastric  | 
Parietal Lobe  | 
Parietal Peritoneum use Peritoneum  | 
Parietal Region Trauma use Craniocerebral Trauma  | 
Parietaria  | 
Parietaria officinalis  | 
Parilla, Yellow use Menispermum  | 
Parinaud Syndrome use Ocular Motility Disorders  | 
Paris  | 
Paris quadrifolia  | 
Parish Register use Civil Registration  | 
Parity  | 
Parking Facilities  | 
Parkinson Disease  | 
Parkinson Disease, Postencephalitic  | 
Parkinson Disease, Secondary  | 
Parkinsonian Disorders  | 
Parkinsonian Syndrome use Parkinsonian Disorders  | 
Parkinsonism use Parkinsonian Disorders  | 
Parkinsonism, Experimental use Parkinsonian Disorders  | 
Parkinsonism, Juvenile use Parkinsonian Disorders  | 
Parkinsonism, Viral Meningoencephalitic use Parkinson Disease, Postencephalitic  | 
Parks and Gardens use Green Areas  | 
Parliament use Legislative Power  | 
Parodontosis use Periodontal Diseases  | 
Paromomycin  | 
Paronychia  | 
Paronychia illecebrum  | 
Parotid Cancer use Parotid Neoplasms  | 
Parotid Diseases  | 
Parotid Gland  | 
Parotid Neoplasms  | 
Parotid Region  | 
Parotidinum  | 
Parotitis  | 
Parotitis, Epidemic use Mumps  | 
Parovarian Cyst  | 
Paroxetine  | 
Paroxysmal Cold Hemoglobinuria use Hemoglobinuria, Paroxysmal  | 
Paroxysmal Hemicrania  | 
Paroxysmal Nerve Pain use Neuralgia  | 
Paroxysmal Nocturnal Hemoglobinuria use Hemoglobinuria, Paroxysmal  | 
Paroxysmal Sleep use Narcolepsy  | 
Parrots  | 
Pars Planitis  | 
Parshall Flume use Flowmeters  | 
Parshall Meters use Flowmeters  | 
Parsley use Petroselinum  | 
Parsnip yellow fleck virus use Sequivirus  | 
Parsnips use Pastinaca  | 
Parsonage-Turner Syndrome use Brachial Plexus Neuritis  | 
Parthenium hysterophorus  | 
Parthenocissus quinquefolia use Ampelopsis quinquefolia  | 
Parthenogenesis  | 
Partial Epilepsy, Motor use Epilepsy, Partial, Motor  | 
Partial Epilepsy, Sensory use Epilepsy, Partial, Sensory  | 
Partial Mastectomy use Mastectomy, Segmental  | 
Partial Monosomy use Chromosome Deletion  | 
Partial Pressure  | 
Partial Seizure Disorder use Epilepsies, Partial  | 
Partial Seizure Disorder, Motor use Epilepsy, Partial, Motor  | 
Partial Thromboplastin Time  | 
Participative Planning  | 
Particle Accelerators  | 
Particle Counting  | 
Particle Interactions, Elementary use Elementary Particle Interactions  | 
Particle Removal  | 
Particle Size  | 
Particle-Induced X-Ray Emission Spectrometry use Spectrometry, X-Ray Emission  | 
Particle-Mediated Epidermal Delivery of DNA use Biolistics  | 
Particles  | 
Particulate Matter  | 
Particulates use Particles  | 
Partner Abuse use Spouse Abuse  | 
Partner Notification use Contact Tracing  | 
Partnership Practice  | 
Partnership Practice, Dental  | 
Partnership in Health use Health Consortia  | 
Partridgepea use Chamaecrista  | 
Parturient Paresis  | 
Parturition  | 
Parvalbumins  | 
Parvoviridae  | 
Parvoviridae Infections  | 
Parvovirinae  | 
Parvovirus  | 
Parvovirus B19, Human  | 
Parvovirus H-1 use H-1 parvovirus  | 
Parvovirus Infections use Parvoviridae Infections  | 
Parvovirus, Canine  | 
Parvovirus, Porcine  | 
Parvovirus, Raccoon use Parvovirus  | 
Parvovirus, Simian use Erythrovirus  | 
Parvoviruses, Insect use Densovirus  | 
Paspalum  | 
Pasqueflower use Pulsatilla  | 
Passeridae use Sparrows  | 
Passeriformes  | 
Passiflora  | 
Passiflora incarnata  | 
Passifloraceae  | 
Passion Flower use Passiflora  | 
Passionfruit use Passiflora  | 
Passive Addiction, Neonatal use Neonatal Abstinence Syndrome  | 
Passive Antibody Transfer use Immunization, Passive  | 
Passive Cutaneous Anaphylaxis  | 
Passive Motion Therapy, Continuous use Motion Therapy, Continuous Passive  | 
Passive Range of Motion use Range of Motion, Articular  | 
Passive Smoking use Tobacco Smoke Pollution  | 
Passive Transfer Experimental Autoimmune Myasthenia Gravis use Myasthenia Gravis, Autoimmune, Experimental  | 
Passive Transfer Test use Intradermal Tests  | 
Passive Transfer of Immunity use Immunization, Passive  | 
Passive-Aggressive Personality Disorder  | 
Passive-Dependent Personality use Dependent Personality Disorder  | 
Pastas  | 
Pastes use Ointments  | 
Pasteurella  | 
Pasteurella Infections  | 
Pasteurella haemolytica use Mannheimia haemolytica  | 
Pasteurella multocida  | 
Pasteurella pestis use Yersinia pestis  | 
Pasteurella pneumotropica  | 
Pasteurella tularensis use Francisella tularensis  | 
Pasteurellaceae  | 
Pasteurellaceae Infections  | 
Pasteurellosis use Pasteurella Infections  | 
Pasteurellosis, Pneumonic  | 
Pastille use Candies  | 
Pastinaca  | 
Pastinaca sativa  | 
Pastoral Care  | 
Pasture  | 
Patas Monkey use Erythrocebus patas  | 
Patch Tests  | 
Patch-Clamp Techniques  | 
Patella  | 
Patellar Dislocation  | 
Patellar Ligament  | 
Patellar Tendon use Patellar Ligament  | 
Patellofemoral Pain Syndrome  | 
Patency, Vascular use Vascular Patency  | 
Patent Foramen Ovale use Foramen Ovale, Patent  | 
Patent Indicators  | 
Patent Medicines use Drugs, Non-Prescription  | 
Patents  | 
Patents as Topic  | 
Paternal Age  | 
Paternal Behavior  | 
Paternal Deprivation  | 
Paternal Exposure  | 
Paternal Messenger RNA use RNA, Messenger, Stored  | 
Paternalism  | 
Paternity  | 
Paternity Leave use Parental Leave  | 
Paterson Intestinalis Bacillus use Bacillus Bach-Paterson  | 
Patey Mastectomy use Mastectomy, Modified Radical  | 
Pathogen-Free Organisms use Specific Pathogen-Free Organisms  | 
Pathogenesy  | 
Pathogenicity use Virulence  | 
Pathogenicity Factors use Virulence Factors  | 
Pathogenicity Islands use Genomic Islands  | 
Pathogens, Blood-Borne use Blood-Borne Pathogens  | 
Pathologic Processes  | 
Pathological Conditions, Anatomical  | 
Pathological Conditions, Signs and Symptoms  | 
Pathological Gambling use Gambling  | 
Pathological Waste use Medical Waste  | 
Pathology  | 
Pathology Department, Hospital  | 
Pathology, Clinical  | 
Pathology, Forensic use Forensic Pathology  | 
Pathology, Oral  | 
Pathology, Surgical  | 
Pathology, Veterinary  | 
Patient Abandonment use Refusal to Treat  | 
Patient Acceptance of Health Care  | 
Patient Access to Records  | 
Patient Admission  | 
Patient Advocacy  | 
Patient Agent use Proxy  | 
Patient Appointments use Appointments and Schedules  | 
Patient Care  | 
Patient Care Episodes use Episode of Care  | 
Patient Care Management  | 
Patient Care Planning  | 
Patient Care Team  | 
Patient Compliance  | 
Patient Cooperation use Patient Compliance  | 
Patient Credit and Collection  | 
Patient Data Privacy use Confidentiality  | 
Patient Discharge  | 
Patient Dropouts  | 
Patient Dumping use Patient Transfer  | 
Patient Education Handout  | 
Patient Education as Topic  | 
Patient Escort Service  | 
Patient Freedom of Choice Laws  | 
Patient Identification Systems  | 
Patient Individualization use Diagnosis, Constitutional  | 
Patient Isolation  | 
Patient Isolators  | 
Patient Monitoring use Monitoring, Physiologic  | 
Patient Noncompliance use Treatment Refusal  | 
Patient Ombudsmen use Patient Advocacy  | 
Patient Outcome Assessment use Outcome Assessment (Health Care)  | 
Patient Participation  | 
Patient Preference use Patient Satisfaction  | 
Patient Readmission  | 
Patient Records, Computerized use Medical Records Systems, Computerized  | 
Patient Recruitment use Patient Selection  | 
Patient Refusal of Treatment use Treatment Refusal  | 
Patient Representatives use Patient Advocacy  | 
Patient Rights  | 
Patient Satisfaction  | 
Patient Schedules use Appointments and Schedules  | 
Patient Selection  | 
Patient Self-Determination Act  | 
Patient Simulation  | 
Patient Transfer  | 
Patient-Centered Care  | 
Patient-Centered Nursing use Patient-Centered Care  | 
Patient-Family Lodging use Housing  | 
Patient-Focused Care use Patient-Centered Care  | 
Patients  | 
Patients' Rooms  | 
Patients' Visitors use Visitors to Patients  | 
Patinopecten use Pectinidae  | 
Patrinia  | 
Pattern Recognition Receptors use Receptors, Pattern Recognition  | 
Pattern Recognition, Automated  | 
Pattern Recognition, Physiological  | 
Pattern Recognition, Visual  | 
Patulin  | 
Pau d'arco use Tabebuia  | 
Paul-Bunnell Antibodies use Antibodies, Heterophile  | 
Paul-Bunnell Antigens use Antigens, Heterophile  | 
Paullinia  | 
Paullinia pinnata  | 
Paullinia sorbilis use Guarana (Homeopathy)  | 
Pausinystalia  | 
Pavor Nocturnus use Night Terrors  | 
Pawpaw use Asimina  | 
Paxillin  | 
Pea Plant, Pigeon use Cajanus  | 
Pea, Partridge use Chamaecrista  | 
Pea, Sensitive use Chamaecrista  | 
Peace Corps  | 
Peach use Prunus  | 
Peach Palm use Arecaceae  | 
Peak Expiratory Flow Rate  | 
Peak Temperature use Maximum Temperature  | 
Peanut Agglutinin  | 
Peanut Allergy use Peanut Hypersensitivity  | 
Peanut Foods use Foods Containing Peanuts  | 
Peanut Hypersensitivity  | 
Peanut Lectin use Peanut Agglutinin  | 
Peanut-Containing Foods use Foods Containing Peanuts  | 
Peanut-Derived Food use Foods Containing Peanuts  | 
Peanuts use Arachis hypogaea  | 
Pears use Pyrus  | 
Peas  | 
Peashrub use Caragana  | 
Peat use Soil  | 
Peat Cutting Areas use Swamps  | 
Peat Therapy use Mud Therapy  | 
Peatlands use Swamps  | 
Pecan Tree use Carya  | 
Pecans use Carya  | 
Pecten  | 
Pecten Oculi use Retinal Vessels  | 
Pecten jacobaeus  | 
Pectin Depolymerase use Polygalacturonase  | 
Pectinase use Polygalacturonase  | 
Pectinatus  | 
Pectinidae  | 
Pectins  | 
Pectobacterium  | 
Pectobacterium carotovorum  | 
Pectobacterium chrysanthemi  | 
Pectoral Nerves use Thoracic Nerves  | 
Pectoralis Muscles  | 
Pectus Excavatum use Funnel Chest  | 
Pedaliaceae  | 
Pediatric Assistants  | 
Pediatric Dentistry  | 
Pediatric Intensive Care Units use Intensive Care Units, Pediatric  | 
Pediatric Nursing  | 
Pediatric Psychology use Child Psychology  | 
Pediatrics  | 
Pedicularis  | 
Pedicularis canadensis  | 
Pediculosis use Lice Infestations  | 
Pediculus  | 
Pediculus capitis  | 
Pedicure and Manicure Services use Beauty and Aesthetics Centers  | 
Pedigree  | 
Pediococcus  | 
Pedodontics use Pediatric Dentistry  | 
Pedology use Edaphology  | 
Pedophilia  | 
Pedunculata use Thoracica  | 
Pedunculopontine Tegmental Nucleus  | 
Peer Group  | 
Peer Review  | 
Peer Review Organizations use Professional Review Organizations  | 
Peer Review, Grants use Peer Review, Research  | 
Peer Review, Health Care  | 
Peer Review, Publishing use Peer Review, Research  | 
Peer Review, Research  | 
Pefloxacin  | 
Pefudensovirus use Densovirinae  | 
Peganum  | 
Pejibaye use Arecaceae  | 
Pelargonium  | 
Pelargonium reniforme  | 
Pelger-Huet Anomaly  | 
Peliosis Hepatis  | 
Pelizaeus-Merzbacher Disease  | 
Pellagra  | 
Pelletierinum  | 
Pellets, Drug use Drug Implants  | 
Pellitory use Parietaria  | 
Peloid Therapy use Mud Therapy  | 
Pelotherapy use Mud Therapy  | 
Pelvic Bones  | 
Pelvic Cancer use Pelvic Neoplasms  | 
Pelvic Exenteration  | 
Pelvic Floor  | 
Pelvic Horn Syndrome use Nail-Patella Syndrome  | 
Pelvic Infection  | 
Pelvic Inflammatory Disease  | 
Pelvic Neoplasms  | 
Pelvic Pain  | 
Pelvic Plexus use Hypogastric Plexus  | 
Pelvic Pouches use Colonic Pouches  | 
Pelvimetry  | 
Pelvis  | 
Pemba use Indian Ocean Islands  | 
Pemoline  | 
Pemphigoid use Pemphigoid, Bullous  | 
Pemphigoid Gestationis  | 
Pemphigoid, Benign Mucous Membrane  | 
Pemphigoid, Bullous  | 
Pemphigoid, Cicatricial use Pemphigoid, Benign Mucous Membrane  | 
Pemphigus  | 
Pemphigus Vulgaris use Pemphigus  | 
Pemphigus, Benign Familial  | 
Pempidine  | 
Penaeidae  | 
Penaeus use Penaeidae  | 
Penal Centers use Prisons  | 
Penal Institutions use Prisons  | 
Penal Institutions Sanitation use Prison Sanitation  | 
Penalties for Environmental Damages  | 
Penbutolol  | 
Pendular Migration  | 
Pendular Nystagmus use Nystagmus, Pathologic  | 
Penetrance  | 
Penfluridol  | 
Penguins use Spheniscidae  | 
Penicillamine  | 
Penicillanic Acid  | 
Penicillic Acid  | 
Penicillin Acylase use Penicillin Amidase  | 
Penicillin Amidase  | 
Penicillin Amidohydrolase use Penicillin Amidase  | 
Penicillin G  | 
Penicillin G, Benzathine  | 
Penicillin G, Procaine  | 
Penicillin Resistance  | 
Penicillin V  | 
Penicillin, Aminobenzyl use Ampicillin  | 
Penicillin, Dimethoxyphenyl use Methicillin  | 
Penicillin, Methylphenylisoxazolyl use Oxacillin  | 
Penicillin, Phenoxymethyl use Penicillin V  | 
Penicillin-Binding Proteins  | 
Penicillinase  | 
Penicillins  | 
Penicillinum  | 
Penicillium  | 
Penicillium chrysogenum  | 
Penicillium notatum use Penicillium chrysogenum  | 
Peniculina  | 
Penile Cancer use Penile Neoplasms  | 
Penile Diseases  | 
Penile Erection  | 
Penile Implantation  | 
Penile Induration  | 
Penile Neoplasms  | 
Penile Prosthesis  | 
Penile Prosthesis Implantation use Penile Implantation  | 
Penis  | 
Penis, Artificial use Penile Prosthesis  | 
Peniseismic Zone  | 
Pennisetum  | 
Pennsylvania  | 
Pennyroyal, American False use Hedeoma  | 
Pennyroyal, European use Mentha pulegium  | 
Pensions  | 
Penstemon  | 
Pentachlorophenol  | 
Pentacyclic Triterpenes  | 
Pentadienes use Alkadienes  | 
Pentaerythritol Tetranicotinate use Niceritrol  | 
Pentaerythritol Tetranitrate  | 
Pentagastrin  | 
Pentamethylenetetrazole use Pentylenetetrazole  | 
Pentamidine  | 
Pentamidine Isethionate use Pentamidine  | 
Pentanes  | 
Pentanisia use Rubiaceae  | 
Pentanoates use Valerates  | 
Pentanoic Acids  | 
Pentanols  | 
Pentanones  | 
Pentanucleotide Repeats use Microsatellite Repeats  | 
Pentas use Rubiaceae  | 
Pentazocine  | 
Pentenes use Alkenes  | 
Pentetates use Pentetic Acid  | 
Pentetic Acid  | 
Pentetrazole use Pentylenetetrazole  | 
Penthanil use Pentetic Acid  | 
Penthiobarbital use Thiopental  | 
Penthorum sedoides  | 
Pentobarbital  | 
Pentolinium Tartrate  | 
Pentosan Polysulfate use Pentosan Sulfuric Polyester  | 
Pentosan Sulfuric Polyester  | 
Pentose Phosphate Pathway  | 
Pentose Phosphate Shunt use Pentose Phosphate Pathway  | 
Pentose Shunt use Pentose Phosphate Pathway  | 
Pentosephosphate Pathway use Pentose Phosphate Pathway  | 
Pentosephosphates  | 
Pentoses  | 
Pentostatin  | 
Pentosyltransferases  | 
Pentoxifylline  | 
Pentoxyl  | 
Pentoxyresorufin O-Dealkylase use Cytochrome P-450 CYP2B1  | 
Pentyl Alcohols use Pentanols  | 
Pentylenetetrazole  | 
Pentymal use Amobarbital  | 
Peony use Paeonia  | 
People with Disabilities use Disabled Persons  | 
Peperomia  | 
Pepleomycin use Peplomycin  | 
Peplomycin  | 
Pepper, Ashanti use Piper  | 
Pepper, Cubeb use Piper  | 
Pepper, Jaborandi use Piper  | 
Peppergrass use Lepidium sativum  | 
Peppermint use Mentha piperita  | 
Peppertree, Brazilian use Anacardiaceae  | 
Peppertree, California use Anacardiaceae  | 
Pepperweed use Lepidium sativum  | 
Pepperwort use Marsileaceae  | 
Pepsin use Pepsin A  | 
Pepsin A  | 
Pepsinogen use Pepsinogen A  | 
Pepsinogen 3, Group I use Pepsinogen A  | 
Pepsinogen 5, Group I use Pepsinogen A  | 
Pepsinogen A  | 
Pepsinogen B use Pepsinogens  | 
Pepsinogen C  | 
Pepsinogen I use Pepsinogen A  | 
Pepsinogen II use Pepsinogen C  | 
Pepsinogens  | 
Pepstatins  | 
Peptaibols  | 
Peptic Ulcer  | 
Peptic Ulcer Hemorrhage  | 
Peptic Ulcer Perforation  | 
Peptichemio  | 
Peptidase Inhibitors use Protease Inhibitors  | 
Peptidases use Peptide Hydrolases  | 
Peptide Biosynthesis  | 
Peptide Biosynthesis, Extra-Ribosomal use Peptide Biosynthesis, Nucleic Acid-Independent  | 
Peptide Biosynthesis, Non-Ribosomal use Peptide Biosynthesis, Nucleic Acid-Independent  | 
Peptide Biosynthesis, Nucleic Acid-Independent  | 
Peptide Biosynthesis, Ribosomal use Protein Biosynthesis  | 
Peptide Biosynthesis, Thiotemplate Mechanism use Peptide Biosynthesis, Nucleic Acid-Independent  | 
Peptide Chain Elongation, Translational  | 
Peptide Chain Initiation, Translational  | 
Peptide Chain Termination, Translational  | 
Peptide Chloromethyl Ketones use Amino Acid Chloromethyl Ketones  | 
Peptide Elongation Factor 1  | 
Peptide Elongation Factor 2  | 
Peptide Elongation Factor G  | 
Peptide Elongation Factor Tu  | 
Peptide Elongation Factors  | 
Peptide Fingerprinting use Peptide Mapping  | 
Peptide Fragments  | 
Peptide Histidine-Isoleucine use Peptide PHI  | 
Peptide Hormone Receptors use Receptors, Peptide  | 
Peptide Hormones  | 
Peptide Hydrolase Inhibitors use Protease Inhibitors  | 
Peptide Hydrolases  | 
Peptide Initiation Factor EIF-1 use Eukaryotic Initiation Factor-1  | 
Peptide Initiation Factor EIF-2 use Eukaryotic Initiation Factor-2  | 
Peptide Initiation Factor EIF-2B use Eukaryotic Initiation Factor-2B  | 
Peptide Initiation Factor EIF-3 use Eukaryotic Initiation Factor-3  | 
Peptide Initiation Factor EIF-4A use Eukaryotic Initiation Factor-4A  | 
Peptide Initiation Factor EIF-4E use Eukaryotic Initiation Factor-4E  | 
Peptide Initiation Factor EIF-4F use Eukaryotic Initiation Factor-4F  | 
Peptide Initiation Factor EIF-4G use Eukaryotic Initiation Factor-4G  | 
Peptide Initiation Factor EIF-5 use Eukaryotic Initiation Factor-5  | 
Peptide Initiation Factor IF-1 use Prokaryotic Initiation Factor-1  | 
Peptide Initiation Factor IF-2 use Prokaryotic Initiation Factor-2  | 
Peptide Initiation Factor IF-3 use Prokaryotic Initiation Factor-3  | 
Peptide Initiation Factors  | 
Peptide Initiation Factors, Eukaryotic use Eukaryotic Initiation Factors  | 
Peptide Initiation Factors, Prokaryotic use Prokaryotic Initiation Factors  | 
Peptide Library  | 
Peptide Mapping  | 
Peptide Nucleic Acids  | 
Peptide PHI  | 
Peptide PHM use Peptide PHI  | 
Peptide Peptidohydrolase Inhibitors use Protease Inhibitors  | 
Peptide Peptidohydrolases use Endopeptidases  | 
Peptide Receptors use Receptors, Peptide  | 
Peptide Receptors, Invertebrate use Receptors, Invertebrate Peptide  | 
Peptide Sequence Analysis use Sequence Analysis, Protein  | 
Peptide Synthases  | 
Peptide Synthetases use Peptide Synthases  | 
Peptide T  | 
Peptide Termination Factors  | 
Peptide Vaccines use Vaccines, Subunit  | 
Peptide YY  | 
Peptide-N4-(N-acetyl-beta-glucosaminyl) Asparagine Amidase  | 
Peptides  | 
Peptides, Cyclic  | 
Peptidoglycan  | 
Peptidoglycan Glycosyltransferase  | 
Peptidyl Transferases  | 
Peptidyl Translocases use Peptidyl Transferases  | 
Peptidyl-Dipeptidase A  | 
Peptidyl-Prolyl cis-trans Isomerase A use Cyclophilin A  | 
Peptidyl-Prolyl cis-trans-Isomerase use Peptidylprolyl Isomerase  | 
Peptidylprolyl Isomerase  | 
Peptidyltransferase use Peptidyl Transferases  | 
Peptococcaceae  | 
Peptococcus  | 
Peptoids  | 
Peptones  | 
Peptostreptococcus  | 
Per Capita Income  | 
Peracetic Acid  | 
Perazine  | 
Perca use Perches  | 
Perception  | 
Perception, Social use Social Perception  | 
Perceptrons use Neural Networks (Computer)  | 
Perceptual Closure  | 
Perceptual Completion Phenomena use Perceptual Closure  | 
Perceptual Defense  | 
Perceptual Disorders  | 
Perceptual Disorders, Auditory use Auditory Perceptual Disorders  | 
Perceptual Distortion  | 
Perceptual Masking  | 
Perceptual Motor Performance use Psychomotor Performance  | 
Perch use Perches  | 
Perches  | 
Perchloric Acid  | 
Perchloroethylene use Tetrachloroethylene  | 
Percidae use Perches  | 
Perciformes  | 
Percolating Filters use Biological Filters  | 
Percolating Liquid  | 
Percolating Water use Percolating Liquid  | 
Percolation  | 
Percussion  | 
Percussion Drilling  | 
Percutaneous Administration use Administration, Cutaneous  | 
Percutaneous Atherectomy use Atherectomy  | 
Percutaneous Electric Nerve Stimulation use Transcutaneous Electric Nerve Stimulation  | 
Percutaneous Nephrolithotomy use Nephrostomy, Percutaneous  | 
Percutaneous Nephrostomy use Nephrostomy, Percutaneous  | 
Percutaneous Transluminal Angioplasty use Angioplasty, Balloon  | 
Percutaneous Transluminal Coronary Angioplasty use Angioplasty, Transluminal, Percutaneous Coronary  | 
Percutaneous Transluminal Laser Angioplasty use Angioplasty, Balloon, Laser-Assisted  | 
Percutaneous Ultrasonic Lithotripsy use Lithotripsy  | 
Perfluorocarbons use Fluorocarbons  | 
Perforant Pathway  | 
Perforating Fasciculus use Perforant Pathway  | 
Perforin  | 
Performance Appraisal, Employee use Employee Performance Appraisal  | 
Performance Evaluation [Equipment] use Performance Tests  | 
Performance Tests  | 
Perfume  | 
Perfumed Towelettes use Wet Wipes  | 
Perfumed Waters  | 
Perfusion  | 
Perfusion Cancer Chemotherapy, Regional use Chemotherapy, Cancer, Regional Perfusion  | 
Perfusion Pumps use Infusion Pumps  | 
Perfusion Pumps, Implantable use Infusion Pumps, Implantable  | 
Perfusion, Pulsatile use Pulsatile Flow  | 
Pergolide  | 
Perhexiline  | 
Periadenitis Mucosa Necrotica Recurrens use Stomatitis, Aphthous  | 
Perianal Gland Neoplasms use Anal Gland Neoplasms  | 
Perianal Glands  | 
Perianeurysmal Fibrosis, Inflammatory use Retroperitoneal Fibrosis  | 
Periaortitis, Chronic use Retroperitoneal Fibrosis  | 
Periapical Abscess  | 
Periapical Cyst use Radicular Cyst  | 
Periapical Diseases  | 
Periapical Granuloma  | 
Periapical Periodontitis  | 
Periapical Periodontitis, Chronic Nonsuppurative use Periapical Granuloma  | 
Periapical Periodontitis, Suppurative use Periapical Abscess  | 
Periapical Tissue  | 
Periaqueductal Gray  | 
Periarteritis Nodosa use Polyarteritis Nodosa  | 
Periarthritis  | 
Pericardial Cyst use Mediastinal Cyst  | 
Pericardial Effusion  | 
Pericardial Tamponade use Cardiac Tamponade  | 
Pericardial Window Techniques  | 
Pericardiectomy  | 
Pericardiocentesis  | 
Pericardiostomy use Pericardial Window Techniques  | 
Pericardiotomy use Pericardiectomy  | 
Pericarditis  | 
Pericarditis, Constrictive  | 
Pericarditis, Tuberculous  | 
Pericardium  | 
Pericementitis use Periodontitis  | 
Pericentriolar Region use Centrosome  | 
Pericoronitis  | 
Pericytes  | 
Peridinium use Dinoflagellida  | 
Peridural Injections use Injections, Epidural  | 
Perilene use Perylene  | 
Perilla  | 
Perilla frutescens  | 
Perilymph  | 
Perilymphatic Duct use Cochlear Aqueduct  | 
Perimeningeal Infections  | 
Perimenopausal Bone Loss use Osteoporosis, Postmenopausal  | 
Perimenopause  | 
Perimetry  | 
Perinatal Care  | 
Perinatal Mortality  | 
Perinatal Nursing use Neonatal Nursing  | 
Perinatal Subarachnoid Hemorrhage use Subarachnoid Hemorrhage  | 
Perinatology  | 
Perindopril  | 
Perinephritis  | 
Perineum  | 
Perineurial Cysts use Tarlov Cysts  | 
Perineurioma use Nerve Sheath Neoplasms  | 
Perineurium use Peripheral Nerves  | 
Perineuronal Oligodendroglia use Oligodendroglia  | 
Perineuronal Satellite Cells use Satellite Cells, Perineuronal  | 
Perineuronal Satellite Oligodendroglia Cells use Oligodendroglia  | 
Periocular Dermatitis use Dermatitis, Perioral  | 
Period Analysis  | 
Period Effect  | 
Period, Neurologic Refractory use Refractory Period, Electrophysiological  | 
Periodic Abstinence use Natural Family Planning Methods  | 
Periodic Acid  | 
Periodic Acid-Schiff Reaction  | 
Periodic Alternating Nystagmus use Nystagmus, Pathologic  | 
Periodic Disease use Familial Mediterranean Fever  | 
Periodic Limb Movement Disorder use Nocturnal Myoclonus Syndrome  | 
Periodic Movement Disorder, Sleep use Nocturnal Myoclonus Syndrome  | 
Periodic Paralysis, Familial use Paralyses, Familial Periodic  | 
Periodical Index  | 
Periodicals  | 
Periodicals Publishing, Dental use Journalism, Dental  | 
Periodicals as Topic  | 
Periodicity  | 
Periodicity in Homeopathy use Modalities, Periodical  | 
Periodontal Abscess  | 
Periodontal Attachment Loss  | 
Periodontal Bone Loss use Alveolar Bone Loss  | 
Periodontal Cyst  | 
Periodontal Cyst, Apical use Radicular Cyst  | 
Periodontal Diseases  | 
Periodontal Dressings  | 
Periodontal Guided Tissue Regeneration use Guided Tissue Regeneration, Periodontal  | 
Periodontal Index  | 
Periodontal Ligament  | 
Periodontal Pocket  | 
Periodontal Prosthesis  | 
Periodontal Resorption use Alveolar Bone Loss  | 
Periodontal Splints  | 
Periodontics  | 
Periodontitis  | 
Periodontitis, Acute Nonsuppurative use Periapical Periodontitis  | 
Periodontitis, Apical use Periapical Periodontitis  | 
Periodontitis, Apical, Chronic Nonsuppurative use Periapical Granuloma  | 
Periodontitis, Apical, Suppurative use Periapical Abscess  | 
Periodontitis, Juvenile  | 
Periodontitis, Prepubertal use Periodontitis, Juvenile  | 
Periodontium  | 
Periodontium, Apical use Periapical Tissue  | 
Periodontosis use Periodontitis, Juvenile  | 
Periods, Neurologic Refractory use Refractory Period, Electrophysiological  | 
Perioperative Care  | 
Perioperative Nursing  | 
Perioral Dermatitis use Dermatitis, Perioral  | 
Periosteum  | 
Periostitis  | 
Periostitis, Alveolar use Dry Socket  | 
Peripheral Angiopathies use Peripheral Vascular Diseases  | 
Peripheral Autoimmune Demyelinating Disease use Polyradiculoneuropathy  | 
Peripheral Autonomic Nervous System Diseases use Autonomic Nervous System Diseases  | 
Peripheral Blood Stem Cell Transplantation  | 
Peripheral Catheterization use Catheterization, Peripheral  | 
Peripheral Equipment, Computer use Computer Peripherals  | 
Peripheral Nerve Diseases use Peripheral Nervous System Diseases  | 
Peripheral Nerve Sheath Tumors use Nerve Sheath Neoplasms  | 
Peripheral Nerves  | 
Peripheral Nervous System  | 
Peripheral Nervous System Agents  | 
Peripheral Nervous System Diseases  | 
Peripheral Nervous System Lyme Disease use Lyme Neuroborreliosis  | 
Peripheral Nervous System Neoplasms  | 
Peripheral Neurofibromatosis use Neurofibromatosis 1  | 
Peripheral Neuropathies use Peripheral Nervous System Diseases  | 
Peripheral Neuropathy, Alcohol-Induced use Alcoholic Neuropathy  | 
Peripheral Neuropathy, Paraneoplastic use Paraneoplastic Polyneuropathy  | 
Peripheral Population use Suburban Population  | 
Peripheral Primitive Neuroectodermal Tumors use Neuroectodermal Tumors, Primitive, Peripheral  | 
Peripheral Resistance use Vascular Resistance  | 
Peripheral Stem Cell Transplantation use Peripheral Blood Stem Cell Transplantation  | 
Peripheral T-Cell Lymphoma use Lymphoma, T-Cell, Peripheral  | 
Peripheral Vascular Diseases  | 
Periphlebitis use Phlebitis  | 
Periphyton  | 
Periplaneta  | 
Periplaneta americana use Periplaneta  | 
Periplasm  | 
Periplasmic Binding Proteins  | 
Periplasmic Proteins  | 
Periploca  | 
Periploca graeca  | 
Periploca indica use Hemidesmus  | 
Perishable Foods  | 
Perissodactyla  | 
Peristalsis  | 
Peristaltic Pumps, Implantable use Infusion Pumps, Implantable  | 
Peritoneal Cavity  | 
Peritoneal Dialysis  | 
Peritoneal Dialysis, Continuous Ambulatory  | 
Peritoneal Diseases  | 
Peritoneal Effusion use Ascitic Fluid  | 
Peritoneal Fluid use Ascitic Fluid  | 
Peritoneal Infusions use Infusions, Parenteral  | 
Peritoneal Irrigation use Peritoneal Lavage  | 
Peritoneal Lavage  | 
Peritoneal Macrophages use Macrophages, Peritoneal  | 
Peritoneal Neoplasms  | 
Peritoneal Stomata  | 
Peritoneoscopes use Laparoscopes  | 
Peritoneoscopy use Laparoscopy  | 
Peritoneovenous Shunt  | 
Peritoneum  | 
Peritoneum, Parietal use Peritoneum  | 
Peritoneum, Visceral use Peritoneum  | 
Peritonitis  | 
Peritonitis, Chylous use Chylous Ascites  | 
Peritonitis, Tuberculous  | 
Peritonsillar Abscess  | 
Perivascular Oligodendroglia use Oligodendroglia  | 
Periventricular Leukomalacia use Leukomalacia, Periventricular  | 
Periventricular Nodular Heterotopia  | 
Periventricular Nuclei of Thalamus use Midline Thalamic Nuclei  | 
Periwinkle use Vinca  | 
Periwinkle, Madagascar use Catharanthus  | 
Permafrost  | 
Permanent Employees use Workers  | 
Permanent Vegetative State use Persistent Vegetative State  | 
Permanent Workers use Workers  | 
Permeability  | 
Permeability, Capillary use Capillary Permeability  | 
Permeability, Cell Membrane use Cell Membrane Permeability  | 
Permeability, Microvascular use Capillary Permeability  | 
Permeability, Tooth use Tooth Permeability  | 
Permeable Soils use Soil Permeability  | 
Permethrin  | 
Permissible Limits  | 
Permissiveness  | 
Permitted Level use Permissible Limits  | 
Perna  | 
Pernicious Vomiting of Pregnancy use Hyperemesis Gravidarum  | 
Perodicticus potto use Lorisidae  | 
Peromyscus  | 
Peroneal Muscular Atrophy use Charcot-Marie-Tooth Disease  | 
Peroneal Nerve  | 
Peroneal Neuropathies  | 
Peronospora  | 
Peroperative Care use Intraoperative Care  | 
Peroperative Complications use Intraoperative Complications  | 
Peroperative Period use Intraoperative Period  | 
Peroxidase  | 
Peroxidase-Antiperoxidase Complex Technique use Immunoenzyme Techniques  | 
Peroxidase-Labeled Antibody Technique use Immunoenzyme Techniques  | 
Peroxidases  | 
Peroxides  | 
Peroxiredoxin use Peroxiredoxins  | 
Peroxiredoxin VI  | 
Peroxiredoxins  | 
Peroxisomal Disorders  | 
Peroxisome Proliferator-Activated Receptors  | 
Peroxisome Proliferators  | 
Peroxisomes  | 
Peroxyacetic Acid use Peracetic Acid  | 
Peroxynitrite use Peroxynitrous Acid  | 
Peroxynitrous Acid  | 
Perphenazine  | 
Persea  | 
Persia  | 
Persian Empire use Persia  | 
Persian Gulf use Indian Ocean  | 
Persian Gulf Syndrome  | 
Persimmon use Diospyros  | 
Persistent Common Atrioventricular Canal use Endocardial Cushion Defects  | 
Persistent Fetal Circulation Syndrome  | 
Persistent Hyaloid Artery use Persistent Hyperplastic Primary Vitreous  | 
Persistent Hyperinsulinemia Hypoglycemia of Infancy  | 
Persistent Hyperplastic Primary Vitreous  | 
Persistent Ostium Primum use Heart Septal Defects, Atrial  | 
Persistent Pollutants use Conservative Pollutants  | 
Persistent Pulmonary Hypertension of Newborn use Persistent Fetal Circulation Syndrome  | 
Persistent Vegetative State  | 
Personal Autonomy  | 
Personal Construct Theory  | 
Personal Digital Assistant use Computers, Handheld  | 
Personal Expenditures use Financing, Personal  | 
Personal Genetic Information use Genetic Privacy  | 
Personal Health Services  | 
Personal Hygiene  | 
Personal Hygiene Products  | 
Personal Liability use Liability, Legal  | 
Personal Narratives  | 
Personal Protection  | 
Personal Satisfaction  | 
Personal Space  | 
Personality  | 
Personality Assessment  | 
Personality Development  | 
Personality Disorder, Antisocial use Antisocial Personality Disorder  | 
Personality Disorder, Borderline use Borderline Personality Disorder  | 
Personality Disorder, Compulsive use Compulsive Personality Disorder  | 
Personality Disorder, Dependent use Dependent Personality Disorder  | 
Personality Disorder, Histrionic use Histrionic Personality Disorder  | 
Personality Disorder, Paranoid use Paranoid Personality Disorder  | 
Personality Disorder, Passive-Aggressive use Passive-Aggressive Personality Disorder  | 
Personality Disorder, Schizoid use Schizoid Personality Disorder  | 
Personality Disorder, Schizotypal use Schizotypal Personality Disorder  | 
Personality Disorders  | 
Personality Inventory  | 
Personality Tests  | 
Personality Type A use Type A Personality  | 
Personality, Hysterical use Histrionic Personality Disorder  | 
Personhood  | 
Personnel Administration, Hospital  | 
Personnel Delegation  | 
Personnel Discipline use Employee Discipline  | 
Personnel Downsizing  | 
Personnel Loyalty  | 
Personnel Management  | 
Personnel Management, Hospital use Personnel Administration, Hospital  | 
Personnel Recruitment use Personnel Selection  | 
Personnel Selection  | 
Personnel Staffing and Scheduling  | 
Personnel Staffing and Scheduling Information Systems  | 
Personnel Turnover  | 
Personnel, Hospital  | 
Personnel, Hospital, Organization and Administration use Personnel Administration, Hospital  | 
Persons  | 
Persons With Hearing Impairments use Hearing Impaired Persons  | 
Persons with Disabilities use Disabled Persons  | 
Persuasion use Persuasive Communication  | 
Persuasive Communication  | 
Pertechnetate Sodium use Sodium Pertechnetate Tc 99m  | 
Perthes Disease use Legg-Perthes Disease  | 
Pertussigen use Pertussis Toxin  | 
Pertussinum  | 
Pertussis use Whooping Cough  | 
Pertussis Toxin  | 
Pertussis Vaccine  | 
Peru  | 
Peruvian Bark use Cinchona  | 
Pervasive Child Development Disorders use Child Development Disorders, Pervasive  | 
Pervasive Development Disorders use Child Development Disorders, Pervasive  | 
Perylene  | 
Pes Cavus use Foot Deformities  | 
Pes Planus use Flatfoot  | 
Pessaries  | 
Pessaries, Intracervical use Intrauterine Devices  | 
Pessaries, Intrauterine use Intrauterine Devices  | 
Pest Control  | 
Pest Control, Biological  | 
Peste-des-Petits-Ruminants  | 
Peste-des-petits-ruminants virus  | 
Pesticide Exposure  | 
Pesticide Residues  | 
Pesticide Synergists  | 
Pesticide Utilization  | 
Pesticides  | 
Pestinum  | 
Pestivirus  | 
Pestivirus Infections  | 
Pet-Human Bonding use Bonding, Human-Pet  | 
Petasites  | 
Petasites officinalis use Tussilago petasites  | 
Petechiae use Purpura  | 
Pethidine use Meperidine  | 
Petit Mal Epilepsy use Epilepsy, Absence  | 
Petit Mal Status use Status Epilepticus  | 
Petiveria tetrandra  | 
Petriellidium use Pseudallescheria  | 
Petrogale use Macropodidae  | 
Petrolatum  | 
Petrolatum, Liquid use Mineral Oil  | 
Petroleum  | 
Petroleum (Homeopathy)  | 
Petroleum Derivates use Petroleum Industry  | 
Petroleum Industry  | 
Petroleum Jelly use Petrolatum  | 
Petroleum Refineries use Petroleum Industry  | 
Petromyzon  | 
Petromyzon marinus use Petromyzon  | 
Petromyzontidae use Lampreys  | 
Petrosal Sinus Sampling  | 
Petroselinum  | 
Petroselinum sativum  | 
Petrosia  | 
Petrous Bone  | 
Petrous Pyramid use Petrous Bone  | 
Petrous Sinus Thrombosis use Sinus Thrombosis, Intracranial  | 
Pets use Animals, Domestic  | 
Petunia  | 
Petuvirus use Caulimoviridae  | 
Peumus  | 
Peutz-Jeghers Syndrome  | 
Peyer's Patches  | 
Peyote use Mescaline  | 
Peyote (Homeopatia) use Anhalonium lewinii  | 
Peyotl (Homeopathy) use Anhalonium lewinii  | 
Peyronie's Disease use Penile Induration  | 
Pf1 Phage use Bacteriophage Pf1  | 
Pfaundler-Hurler Syndrome use Mucopolysaccharidosis I  | 
Pfeiffer Syndrome use Acrocephalosyndactylia  | 
Pfiesteria piscicida  | 
Ph1 Chromosome use Philadelphia Chromosome  | 
Phacochoerus use Swine  | 
Phacoemulsification  | 
Phacomatosis use Neurocutaneous Syndromes  | 
Phaeophyceae use Algae, Brown  | 
Phaeophyta use Algae, Brown  | 
Phage Attachment Sites use Attachment Sites, Microbiological  | 
Phage Display Peptide Library use Peptide Library  | 
Phage G4 use Microvirus  | 
Phage IKe use Bacteriophage IKe  | 
Phage M13 use Bacteriophage M13  | 
Phage MS2 use Levivirus  | 
Phage N4 use Bacteriophage N4  | 
Phage P1 use Bacteriophage P1  | 
Phage P2 use Bacteriophage P2  | 
Phage P22 use Bacteriophage P22  | 
Phage PRD1 use Bacteriophage PRD1  | 
Phage Pf1 use Bacteriophage Pf1  | 
Phage Q beta use Allolevivirus  | 
Phage Receptors use Receptors, Virus  | 
Phage T2 use Bacteriophage T4  | 
Phage T3 use Bacteriophage T3  | 
Phage T4 use Bacteriophage T4  | 
Phage T7 use Bacteriophage T7  | 
Phage Typing use Bacteriophage Typing  | 
Phage fd use Bacteriophage M13  | 
Phage lambda use Bacteriophage lambda  | 
Phage mu use Bacteriophage mu  | 
Phage mu 2 use Leviviridae  | 
Phage phi 105 use Bacillus Phages  | 
Phage phi 29 use Bacillus Phages  | 
Phage phi 6 use Bacteriophage phi 6  | 
Phage phi X 174 use Bacteriophage phi X 174  | 
Phages use Bacteriophages  | 
Phages T use T-Phages  | 
Phages, RNA use RNA Phages  | 
Phages, T5-Like use Siphoviridae  | 
Phages, T7-Like use Podoviridae  | 
Phages, lambda-Like use Siphoviridae  | 
Phagnalon use Asteraceae  | 
Phagocyte Bactericidal Dysfunction  | 
Phagocytes  | 
Phagocytosis  | 
Phagolysosomes use Phagosomes  | 
Phagosomes  | 
Phakic Intraocular Lenses  | 
Phakomatoses use Neurocutaneous Syndromes  | 
Phakomatosis, Bourneville use Tuberous Sclerosis  | 
Phakomatosis, Sturge-Weber use Sturge-Weber Syndrome  | 
Phalaenopsis use Orchidaceae  | 
Phalanger use Phalangeridae  | 
Phalangeridae  | 
Phalanges of Fingers use Finger Phalanges  | 
Phalanges of Toes use Toe Phalanges  | 
Phalaris  | 
Phallic Stage use Psychosexual Development  | 
Phalloidine  | 
Phallus impudicus  | 
Phaner use Cheirogaleidae  | 
Phanerochaete  | 
Phantom Limb  | 
Phantoms, Imaging  | 
Phantoms, Radiographic use Phantoms, Imaging  | 
Phantoms, Radiologic use Phantoms, Imaging  | 
Pharmaceutic Aids  | 
Pharmaceutic Aids (Preservatives) use Preservatives, Pharmaceutical  | 
Pharmaceutical Assistance use Pharmaceutical Care  | 
Pharmaceutical Care  | 
Pharmaceutical Centers  | 
Pharmaceutical Centres use Pharmaceutical Centers  | 
Pharmaceutical Commerce use Pharmaceutical Trade  | 
Pharmaceutical Commercialization use Pharmaceutical Trade  | 
Pharmaceutical Drug Commerce use Pharmaceutical Trade  | 
Pharmaceutical Drug Commercialization use Pharmaceutical Trade  | 
Pharmaceutical Drug Trade use Pharmaceutical Trade  | 
Pharmaceutical Economics use Economics, Pharmaceutical  | 
Pharmaceutical Equivalents use Bioequivalent Drugs  | 
Pharmaceutical Management use Pharmacy Administration  | 
Pharmaceutical Policy use Drug and Narcotic Control  | 
Pharmaceutical Preparations  | 
Pharmaceutical Preparations (Homeopathy) use Homeopathic Vehicles  | 
Pharmaceutical Preparations, Dental  | 
Pharmaceutical Presentation (Homeopathy) use Homeopathic Vehicles  | 
Pharmaceutical Presentation Form (Homeopathy) use Homeopathic Vehicles  | 
Pharmaceutical Raw Material  | 
Pharmaceutical Services  | 
Pharmaceutical Solutions  | 
Pharmaceutical Trade  | 
Pharmacies  | 
Pharmacists  | 
Pharmacists' Aides  | 
Pharmacodynamic Action of Homeopathic Drugs  | 
Pharmacodynamics in Homeopathy use Pharmacodynamic Action of Homeopathic Drugs  | 
Pharmacoeconomics use Economics, Pharmaceutical  | 
Pharmacoepidemiology  | 
Pharmacogenetics  | 
Pharmacogenomics use Pharmacogenetics  | 
Pharmacognosy  | 
Pharmacokinetics  | 
Pharmacologic Actions  | 
Pharmacological Mechanisms of Action use Molecular Mechanisms of Pharmacological Action  | 
Pharmacology  | 
Pharmacology, Clinical  | 
Pharmacopeias, Homeopathic use Pharmacopoeias, Homeopathic  | 
Pharmacopoeias  | 
Pharmacopoeias as Topic  | 
Pharmacopoeias, Homeopathic  | 
Pharmacotherapy use Drug Therapy  | 
Pharmacy  | 
Pharmacy Administration  | 
Pharmacy Education use Education, Pharmacy  | 
Pharmacy Education, Continuing use Education, Pharmacy, Continuing  | 
Pharmacy Education, Graduate use Education, Pharmacy, Graduate  | 
Pharmacy Schools use Schools, Pharmacy  | 
Pharmacy Service, Clinical use Pharmacy Service, Hospital  | 
Pharmacy Service, Hospital  | 
Pharmacy and Therapeutics Committee  | 
Pharyngeal Arches use Branchial Region  | 
Pharyngeal Cancer use Pharyngeal Neoplasms  | 
Pharyngeal Diseases  | 
Pharyngeal Diverticulum use Zenker Diverticulum  | 
Pharyngeal Muscles  | 
Pharyngeal Neoplasms  | 
Pharyngeal Tonsil use Adenoids  | 
Pharyngectomy  | 
Pharyngitis  | 
Pharyngo-Conjunctival Fever use Adenovirus Infections, Human  | 
Pharyngoesophageal Diverticulum use Zenker Diverticulum  | 
Pharyngostomy  | 
Pharynx  | 
Phascolarctidae  | 
Phascolarctos cinereus use Phascolarctidae  | 
Phase I Clinical Trials use Clinical Trials, Phase I as Topic  | 
Phase Transition  | 
Phase-Contrast Microscopy use Microscopy, Phase-Contrast  | 
Phaseolus  | 
Phaseolus nanus  | 
Phaseolus vulgaris Lectins use Phytohemagglutinins  | 
Phases of Toxicity  | 
Phasmidia use Secernentea  | 
Phasmidia Infections use Secernentea Infections  | 
Phellandrium aquaticum  | 
Phellodendron  | 
Phelypressin use Felypressin  | 
Phenacetin  | 
Phenacetin O-Dealkylase use Cytochrome P-450 CYP1A2  | 
Phenacetinum  | 
Phenalenes  | 
Phenanthrenes  | 
Phenanthridines  | 
Phenanthrolines  | 
Phenazine Methosulfate use Methylphenazonium Methosulfate  | 
Phenazines  | 
Phenazocine  | 
Phenazoline use Antazoline  | 
Phenazone use Antipyrine  | 
Phenazopyridine  | 
Phenbenzorphan use Phenazocine  | 
Phencyclidine  | 
Phencyclidine Abuse  | 
Phencyclidine Receptors use Receptors, Phencyclidine  | 
Phencyclidine-Related Disorders use Phencyclidine Abuse  | 
Phenelzine  | 
Phenemal use Phenobarbital  | 
Phenethanolamine N-Methyltransferase use Phenylethanolamine N-Methyltransferase  | 
Phenethyl Alcohol use Phenylethyl Alcohol  | 
Phenethylamines  | 
Phenethylazocine use Phenazocine  | 
Phenetidine  | 
Phenformin  | 
Phenindione  | 
Pheniramine  | 
Phenmetraline use Phenmetrazine  | 
Phenmetrazine  | 
Phenobarbital  | 
Phenobarbitalum  | 
Phenobarbitone use Phenobarbital  | 
Phenol  | 
Phenol Acids use Phenolic Compounds  | 
Phenol Red use Phenolsulfonphthalein  | 
Phenol Sulfotransferase use Arylsulfotransferase  | 
Phenolic Compounds  | 
Phenolic Content use Phenolic Compounds  | 
Phenolisatin use Oxyphenisatin Acetate  | 
Phenoloxidase use Monophenol Monooxygenase  | 
Phenolphthalein  | 
Phenolphthaleins  | 
Phenols  | 
Phenolsulfonphthalein  | 
Phenolum use Carbolicum Acidum  | 
Phenomenography use Learning  | 
Phenoperidine  | 
Phenopromin use Amphetamine  | 
Phenothiazines  | 
Phenotype  | 
Phenoxazole use Pemoline  | 
Phenoxyacetates  | 
Phenoxybenzamine  | 
Phenoxypropanolamines  | 
Phenprocoumalol use Phenprocoumon  | 
Phenprocoumarol use Phenprocoumon  | 
Phenprocoumon  | 
Phentanyl use Fentanyl  | 
Phentermine  | 
Phentolamine  | 
Phenyl Ethers  | 
Phenyl Mercury Compounds use Phenylmercury Compounds  | 
Phenylacetates  | 
Phenylalanine  | 
Phenylalanine Ammonia-Lyase  | 
Phenylalanine Hydroxylase  | 
Phenylalanine Hydroxylase Deficiency Disease use Phenylketonurias  | 
Phenylalanine Lysine Vasopressin use Felypressin  | 
Phenylalanine Mustard use Melphalan  | 
Phenylalanine-Specific tRNA use RNA, Transfer, Phe  | 
Phenylalanine-tRNA Ligase  | 
Phenylalanyl T RNA Synthetase use Phenylalanine-tRNA Ligase  | 
Phenylamines use Aniline Compounds  | 
Phenylammonium Compounds  | 
Phenylbarbital use Phenobarbital  | 
Phenylbutazone  | 
Phenylbutyrates  | 
Phenylcarbamates  | 
Phenylcarbamides use Phenylurea Compounds  | 
Phenylcarbinols use Benzyl Alcohols  | 
Phenylenediamines  | 
Phenylephrine  | 
Phenylethanol use Phenylethyl Alcohol  | 
Phenylethanolamine N-Methyltransferase  | 
Phenylethyl Alcohol  | 
Phenylethylamines use Phenethylamines  | 
Phenylethylmalonamide  | 
Phenylethylmalondiamide use Phenylethylmalonamide  | 
Phenylglyoxal  | 
Phenylhydrazines  | 
Phenylisohydantoin use Pemoline  | 
Phenylisopropyladenosine  | 
Phenylketonuria, Maternal  | 
Phenylketonurias  | 
Phenylmercurials use Phenylmercury Compounds  | 
Phenylmercuric Acetate  | 
Phenylmercury Compounds  | 
Phenylmethanols use Benzyl Alcohols  | 
Phenylmethylamine use Benzylamines  | 
Phenylmethylsulfonyl Fluoride  | 
Phenylphosphonothioic Acid, 2-Ethyl 2-(4-Nitrophenyl) Ester  | 
Phenylprenazone use Prenazone  | 
Phenylpropanolamine  | 
Phenylpropionates  | 
Phenylpropylhydroxycumarinum use Phenprocoumon  | 
Phenylpyruvic Acids  | 
Phenylsulfapyrazole use Sulfaphenazole  | 
Phenylthiazolylthiourea  | 
Phenylthiocarbamide use Phenylthiourea  | 
Phenylthiohydantoin  | 
Phenylthiourea  | 
Phenylurea Compounds  | 
Phenytoin  | 
Pheochromocytoma  | 
Pheochromocytoma Cell Line use PC12 Cells  | 
Pheochromocytoma, Extra-Adrenal use Pheochromocytoma  | 
Pheophytins  | 
Pheresis use Blood Component Removal  | 
Pheromones  | 
Pheromones, Human  | 
Pheromones, Sexual use Sex Attractants  | 
Phialophora  | 
Phialophora gougerotii use Exophiala  | 
Phialophora jeanselmei use Exophiala  | 
Philadelphia  | 
Philadelphia Chromosome  | 
Philadelphus coronarius  | 
Philanthropic Funds use Fund Raising  | 
Philately  | 
Philippines  | 
Philodendron  | 
Philology  | 
Philology, Classical  | 
Philology, Oriental  | 
Philology, Romance  | 
Philosophy  | 
Philosophy, Dental  | 
Philosophy, Medical  | 
Philosophy, Nursing  | 
Phimosis  | 
Phlebitis  | 
Phlebography  | 
Phlebothrombosis use Venous Thrombosis  | 
Phlebotominae use Psychodidae  | 
Phlebotomus  | 
Phlebotomus Fever  | 
Phlebotomy  | 
Phlebovirus  | 
Phlegmasia Alba Dolens use Thrombophlebitis  | 
Phlegmon use Cellulitis  | 
Phleomycins  | 
Phleum  | 
Phleum pratense  | 
Phloem  | 
Phlomis  | 
Phloretin  | 
Phloretin-Glucosidase use Glycosylceramidase  | 
Phlorhizin  | 
Phlorizin Hydrolase use Glycosylceramidase  | 
Phlorizinum  | 
Phloroglucinol  | 
Phloxine B use Eosine I Bluish  | 
Phobia, School use Phobic Disorders  | 
Phobia, Social use Phobic Disorders  | 
Phobias use Phobic Disorders  | 
Phobic Disorders  | 
Phobic Neuroses use Phobic Disorders  | 
Phobos use Mars  | 
Phoca  | 
Phocine distemper virus use Distemper Virus, Phocine  | 
Phocoena  | 
Phocoenidae use Porpoises  | 
Phocomelia use Ectromelia  | 
Phodopus  | 
Phodopus campbelli use Phodopus  | 
Phodopus sungorus use Phodopus  | 
Phodopus sungorus campbelli use Phodopus  | 
Phoebe use Saturn  | 
Phomin use Cytochalasin B  | 
Phonation  | 
Phonation Disorders use Voice Disorders  | 
Phonetics  | 
Phonocardiography  | 
Phonological Impairments use Articulation Disorders  | 
Phonophoresis  | 
Phoradendron  | 
Phorate  | 
Phorbol 12,13-Dibutyrate  | 
Phorbol Esters  | 
Phorbol Myristate Acetate use Tetradecanoylphorbol Acetate  | 
Phorbols  | 
Phorias use Strabismus  | 
Phormium use Agavaceae  | 
Phosgene  | 
Phosmet  | 
Phosphamide use Dimethoate  | 
Phosphamidon  | 
Phosphatases use Phosphoric Monoester Hydrolases  | 
Phosphate Acetyltransferase  | 
Phosphate Fluoride, Acidulated use Acidulated Phosphate Fluoride  | 
Phosphate Transport Proteins  | 
Phosphate-Binding Proteins  | 
Phosphates  | 
Phosphates, Inorganic use Phosphates  | 
Phosphates, Organic use Phosphoric Acid Esters  | 
Phosphatidal Compounds use Plasmalogens  | 
Phosphatidate Phosphatase  | 
Phosphatidate Phosphohydrolase use Phosphatidate Phosphatase  | 
Phosphatides use Phospholipids  | 
Phosphatidic Acids  | 
Phosphatidyl-N-Methylethanolamine N-Methyltransferase  | 
Phosphatidylcholine-Sterol O-Acyltransferase  | 
Phosphatidylcholines  | 
Phosphatidylethanolamine Binding Protein  | 
Phosphatidylethanolamine N-Methyltransferase  | 
Phosphatidylethanolamines  | 
Phosphatidylglycerols  | 
Phosphatidylinositol 3-Kinase use 1-Phosphatidylinositol 3-Kinase  | 
Phosphatidylinositol 4,5-Diphosphate  | 
Phosphatidylinositol 4-Kinase use 1-Phosphatidylinositol 4-Kinase  | 
Phosphatidylinositol Diacylglycerol-Lyase  | 
Phosphatidylinositol Glycan use Glycosylphosphatidylinositols  | 
Phosphatidylinositol Phosphates  | 
Phosphatidylinositol Transfer Proteins use Phospholipid Transfer Proteins  | 
Phosphatidylinositol-3-OH Kinase use 1-Phosphatidylinositol 3-Kinase  | 
Phosphatidylinositol-4,5-Bisphosphate use Phosphatidylinositol 4,5-Diphosphate  | 
Phosphatidylinositols  | 
Phosphatidylserine Synthase use CDPdiacylglycerol-Serine O-Phosphatidyltransferase  | 
Phosphatidylserines  | 
Phosphenes  | 
Phosphines  | 
Phosphinic Acids  | 
Phosphinous Acids use Phosphorus Acids  | 
Phosphites  | 
Phospho-2-Keto-3-Deoxyheptonate Aldolase use 3-Deoxy-7-Phosphoheptulonate Synthase  | 
Phospho-Specific Antibodies use Antibodies, Phospho-Specific  | 
Phosphoacylase use Phosphate Acetyltransferase  | 
Phosphoadenosine Phosphosulfate  | 
Phosphoamino Acids  | 
Phosphocreatine  | 
Phosphodiesterase Antagonists use Phosphodiesterase Inhibitors  | 
Phosphodiesterase I  | 
Phosphodiesterase Inhibitors  | 
Phosphodiesterases use Phosphoric Diester Hydrolases  | 
Phosphoenolpyruvate  | 
Phosphoenolpyruvate Carboxykinase (ATP)  | 
Phosphoenolpyruvate Carboxykinase (GTP)  | 
Phosphoenolpyruvate Carboxylase  | 
Phosphoenolpyruvate Hexose Phosphotransferases use Phosphoenolpyruvate Sugar Phosphotransferase System  | 
Phosphoenolpyruvate Sugar Phosphotransferase System  | 
Phosphofructokinase-1  | 
Phosphofructokinase-1, Liver Type  | 
Phosphofructokinase-1, Muscle Type  | 
Phosphofructokinase-1, Type C  | 
Phosphofructokinase-2  | 
Phosphofructokinases  | 
Phosphogalactose Uridyl Transferase use UDPglucose-Hexose-1-Phosphate Uridylyltransferase  | 
Phosphoglucomutase  | 
Phosphogluconate Dehydrogenase  | 
Phosphoglucose Isomerase use Glucose-6-Phosphate Isomerase  | 
Phosphoglyceraldehyde Dehydrogenase use Glyceraldehyde-3-Phosphate Dehydrogenases  | 
Phosphoglycerate Dehydrogenase  | 
Phosphoglycerate Kinase  | 
Phosphoglycerate Mutase  | 
Phosphoglycerides use Glycerophospholipids  | 
Phosphoglyceromutase use Phosphoglycerate Mutase  | 
Phosphohexose Isomerase use Glucose-6-Phosphate Isomerase  | 
Phosphohydrolases use Phosphoric Monoester Hydrolases  | 
Phosphoinositide Phospholipase C  | 
Phosphoinositides use Phosphatidylinositols  | 
Phospholipase A2 Receptor use Receptors, Phospholipase A2  | 
Phospholipase B use Lysophospholipase  | 
Phospholipase C use Type C Phospholipases  | 
Phospholipase C beta  | 
Phospholipase C delta  | 
Phospholipase C gamma  | 
Phospholipase D  | 
Phospholipases  | 
Phospholipases A  | 
Phospholipases A1  | 
Phospholipases A2  | 
Phospholipases A2, Calcium-Independent  | 
Phospholipases A2, Cytosolic  | 
Phospholipases A2, Group I use Group I Phospholipases A2  | 
Phospholipases A2, Group IA use Group IA Phospholipases A2  | 
Phospholipases A2, Group IB use Group IB Phospholipases A2  | 
Phospholipases A2, Group II use Group II Phospholipases A2  | 
Phospholipases A2, Group III use Group III Phospholipases A2  | 
Phospholipases A2, Group IV use Group IV Phospholipases A2  | 
Phospholipases A2, Group V use Group V Phospholipases A2  | 
Phospholipases A2, Group VI use Group VI Phospholipases A2  | 
Phospholipases A2, Group X use Group X Phospholipases A2  | 
Phospholipases A2, Secretory  | 
Phospholipases, Type C use Type C Phospholipases  | 
Phospholipid Ethers  | 
Phospholipid Transfer Proteins  | 
Phospholipids  | 
Phosphomannose Isomerase use Mannose-6-Phosphate Isomerase  | 
Phosphomonoesterases use Phosphoric Monoester Hydrolases  | 
Phosphomutases use Phosphotransferases (Phosphomutases)  | 
Phosphonic Acids  | 
Phosphonoacetate use Phosphonoacetic Acid  | 
Phosphonoacetic Acid  | 
Phosphonoformate use Foscarnet  | 
Phosphonoformic Acid use Foscarnet  | 
Phosphonomycin use Fosfomycin  | 
Phosphonous Acids use Phosphorus Acids  | 
Phosphopeptide-Specific Antibodies use Antibodies, Phospho-Specific  | 
Phosphopeptides  | 
Phosphoprotein Phosphatase use Phosphoprotein Phosphatases  | 
Phosphoprotein Phosphatases  | 
Phosphoprotein Phosphohydrolase use Phosphoprotein Phosphatases  | 
Phosphoproteins  | 
Phosphopyruvate Dikinase use Pyruvate, Orthophosphate Dikinase  | 
Phosphopyruvate Hydratase  | 
Phosphoramide Mustards  | 
Phosphoranes  | 
Phosphorated Pesticides use Insecticides, Organophosphate  | 
Phosphoribosyl Pyrophosphate  | 
Phosphoribosyl Pyrophosphate Amidotransferase use Amidophosphoribosyltransferase  | 
Phosphoribosyl Pyrophosphate Synthetase use Ribose-Phosphate Pyrophosphokinase  | 
Phosphoribosyl-ATP Pyrophosphorylase use ATP Phosphoribosyltransferase  | 
Phosphoribosylaminoimidazolecarboxamide Formyltransferase  | 
Phosphoribosylanthranilate Pyrophosphorylase use Anthranilate Phosphoribosyltransferase  | 
Phosphoribosylglycinamide Formyltransferase  | 
Phosphoric Acid Esters  | 
Phosphoric Acids  | 
Phosphoric Diester Hydrolase Inhibitors use Phosphodiesterase Inhibitors  | 
Phosphoric Diester Hydrolases  | 
Phosphoric Monoester Hydrolases  | 
Phosphoric Triester Hydrolases  | 
Phosphoricum Acidum  | 
Phosphorothioate Oligonucleotides  | 
Phosphorous Acids  | 
Phosphorus  | 
Phosphorus (Homeopathy)  | 
Phosphorus Acids  | 
Phosphorus Compounds  | 
Phosphorus Cycle  | 
Phosphorus Hydrogenatus  | 
Phosphorus Isotopes  | 
Phosphorus Metabolism Disorders  | 
Phosphorus Pentachloratus  | 
Phosphorus Radioisotopes  | 
Phosphorus, Dietary  | 
Phosphorus-Oxygen Lyases  | 
Phosphorylase Kinase  | 
Phosphorylase Phosphatase  | 
Phosphorylase a  | 
Phosphorylase b  | 
Phosphorylases  | 
Phosphorylation  | 
Phosphorylation State-Specific Antibodies use Antibodies, Phospho-Specific  | 
Phosphorylcholine  | 
Phosphorylcholine Chloride use Phosphorylcholine  | 
Phosphorylcholine, Acetyl Glyceryl Ether use Platelet Activating Factor  | 
Phosphorylcholine-Glyceride Transferase use Diacylglycerol Cholinephosphotransferase  | 
Phosphoserine  | 
Phosphothreonine  | 
Phosphotransacetylase use Phosphate Acetyltransferase  | 
Phosphotransferases  | 
Phosphotransferases (Alcohol Group Acceptor)  | 
Phosphotransferases (Carboxyl Group Acceptor)  | 
Phosphotransferases (Nitrogenous Group Acceptor)  | 
Phosphotransferases (Other Substituted Phosphate Groups) use Transferases (Other Substituted Phosphate Groups)  | 
Phosphotransferases (Paired Acceptors)  | 
Phosphotransferases (Phosphate Group Acceptor)  | 
Phosphotransferases (Phosphomutases)  | 
Phosphotransferases, ATP use Phosphotransferases  | 
Phosphotriose Isomerase use Triose-Phosphate Isomerase  | 
Phosphotungstic Acid  | 
Phosphotyrosine  | 
Phosphotyrosine Phosphatase use Protein Tyrosine Phosphatases  | 
Phosvitin  | 
Photic Stimulation  | 
Photinia  | 
Photoaffinity Labels  | 
Photoaging of Skin use Skin Aging  | 
Photoallergy use Dermatitis, Photoallergic  | 
Photobacterium  | 
Photobiology  | 
Photobleaching  | 
Photochemical Fog use Photochemical Smog  | 
Photochemical Smog  | 
Photochemistry  | 
Photochemotherapy  | 
Photochemotherapy, Extracorporeal use Photopheresis  | 
Photochemotherapy, Hematoporphyrin use Hematoporphyrin Photoradiation  | 
Photocoagulation use Light Coagulation  | 
Photocopying use Copying Processes  | 
Photodensitometry, X-Ray use Absorptiometry, Photon  | 
Photodermatitis use Photosensitivity Disorders  | 
Photodynamic Therapy use Photochemotherapy  | 
Photofluorography  | 
Photogrammetry  | 
Photographic Industry  | 
Photography  | 
Photography, Dental  | 
Photography, Intraoral use Photography, Dental  | 
Photokeratectomy use Corneal Surgery, Laser  | 
Photokymography use Electrokymography  | 
Photolysis  | 
Photometry  | 
Photomicrography  | 
Photon Absorptiometry use Absorptiometry, Photon  | 
Photons  | 
Photooxidation  | 
Photoperiod  | 
Photopheresis  | 
Photophobia  | 
Photophosphorylation  | 
Photoplethysmography  | 
Photoproteins use Luminescent Proteins  | 
Photoradiation use Light  | 
Photoradiation Therapy use Phototherapy  | 
Photoradiation, Hematoporphyrin use Hematoporphyrin Photoradiation  | 
Photoreactivating Enzyme use Deoxyribodipyrimidine Photo-Lyase  | 
Photoreceptors  | 
Photoreceptors, Cone use Cones (Retina)  | 
Photoreceptors, Invertebrate  | 
Photoreceptors, Microbial  | 
Photoreceptors, Retinal use Photoreceptors  | 
Photoreceptors, Rod use Rods (Retina)  | 
Photoreceptors, Vertebrate  | 
Photorefractive Keratectomy  | 
Photorhabdus  | 
Photorhabdus luminescens use Photorhabdus  | 
Photosensitivity Disorders  | 
Photosensitizers use Photosensitizing Agents  | 
Photosensitizing Agents  | 
Photosmog use Photochemical Smog  | 
Photosynthesis  | 
Photosynthesis Lagoons use Aerobic Lagoons  | 
Photosynthetic Reaction Center Complex Proteins  | 
Photosystem I Protein Complex  | 
Photosystem I Reaction Center use Photosystem I Protein Complex  | 
Photosystem II Protein Complex  | 
Phototherapy  | 
Phototoxicity use Dermatitis, Phototoxic  | 
Phototransduction  | 
Phototrophic Processes  | 
Phototropism  | 
Photovoltaic Cells use Solar Collectors  | 
Photovoltaic Energy  | 
Phrases  | 
Phreatic Water use Groundwaters  | 
Phrenic Nerve  | 
Phrenology  | 
Phthalamudine use Chlorthalidone  | 
Phthalazines  | 
Phthalic Acids  | 
Phthalic Anhydrides  | 
Phthalidyl Ampicillin use Talampicillin  | 
Phthalimides  | 
Phthalophos use Phosmet  | 
Phthiraptera use Lice  | 
Phthirus  | 
Phthisis use Tuberculosis, Pulmonary  | 
Phycobilins  | 
Phycobiliproteins  | 
Phycobilisomes  | 
Phycocyanin  | 
Phycodnaviridae  | 
Phycoerythrin  | 
Phycomyces  | 
Phycomycosis use Zygomycosis  | 
Phyllachorales  | 
Phyllanthus  | 
Phyllanthus emblica  | 
Phyllodes Tumor  | 
Phylloquinone use Vitamin K 1  | 
Phylloquinone Reductase use NAD(P)H Dehydrogenase (Quinone)  | 
Phylogeny  | 
Physalaemin  | 
Physalia pelagica  | 
Physalia physalis use Hydrozoa  | 
Physalis  | 
Physalis alkekengi  | 
Physaloptera use Spiruroidea  | 
Physarida  | 
Physarum  | 
Physarum polycephalum  | 
Physcomitrella use Bryopsida  | 
Physiatry use Physical Medicine  | 
Physical Activity use Motor Activity  | 
Physical Analysis  | 
Physical Chromosome Mapping  | 
Physical Conditioning, Animal  | 
Physical Conditioning, Human use Physical Fitness  | 
Physical Constitution use Biotypology  | 
Physical Contaminants  | 
Physical Contamination  | 
Physical Education and Training  | 
Physical Effort use Exertion  | 
Physical Endurance  | 
Physical Examination  | 
Physical Examination, Preadmission use Diagnostic Tests, Routine  | 
Physical Fitness  | 
Physical Mapping (Genetics) use Physical Chromosome Mapping  | 
Physical Medicine  | 
Physical Oceanography  | 
Physical Planning  | 
Physical Properties  | 
Physical Sciences use Natural Sciences  | 
Physical Stimulation  | 
Physical Therapy (Specialty)  | 
Physical Therapy Department, Hospital  | 
Physical Therapy Modalities  | 
Physical and Chemical Factors  | 
Physical and Chemical Properties  | 
Physically Challenged use Disabled Persons  | 
Physically Handicapped use Disabled Persons  | 
Physician Assignment Acceptance use Medicare Assignment  | 
Physician Assistants  | 
Physician Executives  | 
Physician Impairment  | 
Physician Incentive Plans  | 
Physician Payment Review Commission  | 
Physician Refusal to Treat use Refusal to Treat  | 
Physician Self-Referral  | 
Physician Shortage Area use Medically Underserved Area  | 
Physician's Practice Patterns  | 
Physician's Role  | 
Physician-Assisted Suicide use Suicide, Assisted  | 
Physician-Hospital Organizations use Hospital-Physician Joint Ventures  | 
Physician-Hospital Relations use Hospital-Physician Relations  | 
Physician-Nurse Relations  | 
Physician-Patient Relations  | 
Physicians  | 
Physicians Distribution  | 
Physicians' Assistants use Physician Assistants  | 
Physicians' Extenders use Physician Assistants  | 
Physicians' Offices  | 
Physicians, Family  | 
Physicians, Junior use Medical Staff, Hospital  | 
Physicians, Occupational Health use Occupational Health Physicians  | 
Physicians, Women  | 
Physicochemical Analysis  | 
Physicochemical Treatment  | 
Physics  | 
Physiognomy  | 
Physiography  | 
Physiologic Availability use Biological Availability  | 
Physiological Effects of Drugs  | 
Physiological Processes  | 
Physiology  | 
Physiology, Comparative  | 
Physiotherapy (Specialty) use Physical Therapy (Specialty)  | 
Physiotherapy (Techniques) use Physical Therapy Modalities  | 
Physostigma  | 
Physostigma venenosum  | 
Physostigmine  | 
Phytanic Acid  | 
Phytanic Acid Storage Disease use Refsum Disease  | 
Phytic Acid  | 
Phytin use Phytic Acid  | 
Phytochelatins  | 
Phytochrome  | 
Phytochrome A  | 
Phytochrome B  | 
Phytoestrogens  | 
Phytohemagglutinins  | 
Phytohormones use Plant Growth Regulators  | 
Phytol  | 
Phytolacca  | 
Phytolacca americana  | 
Phytolacca berry  | 
Phytolacca decandra  | 
Phytolacca dodecandra  | 
Phytolaccaceae  | 
Phytomastigophorea  | 
Phytomenadione use Vitamin K 1  | 
Phytonadione use Vitamin K 1  | 
Phytophagineae use Plant Viruses  | 
Phytophthora  | 
Phytoplankton  | 
Phytoplasma  | 
Phytoremediation use Biodegradation, Environmental  | 
Phytoreovirus use Reoviridae  | 
Phytosterols  | 
Phytotherapic Drugs  | 
Phytotherapy  | 
Pia Mater  | 
Pial Vein use Cerebral Veins  | 
Pica  | 
Pice use Disasters  | 
Picea  | 
Picea nigra use Abies nigra  | 
Pichi-pichi use Fabiana imbricata  | 
Pichia  | 
Pichinde virus  | 
Picibanil  | 
Pick Disease of the Brain  | 
Pick's Disease of Heart use Pericarditis, Constrictive  | 
Pickles  | 
Pickwickian Syndrome use Obesity Hypoventilation Syndrome  | 
Picloram  | 
Picobirnavirus  | 
Picodnaviruses use Parvoviridae  | 
Picolines  | 
Picolinic Acids  | 
Picornaviridae  | 
Picornaviridae Infections  | 
Picornavirus Infections use Picornaviridae Infections  | 
Picrasma  | 
Picrates  | 
Picricum Acidum  | 
Picrophilus use Thermoplasmales  | 
Picrorhiza  | 
Picrotoxin  | 
Picrotoxinum  | 
Picryl Chloride  | 
Picrylsulfonic Acid use Trinitrobenzenesulfonic Acid  | 
Pictorial Works  | 
Picture Archiving and Communication Systems use Radiology Information Systems  | 
Picture Archiving, Radiologic use Radiology Information Systems  | 
Picture Frustration Study use Projective Techniques  | 
Pidolic Acid use Pyrrolidonecarboxylic Acid  | 
Piebald Dolphins use Dolphins  | 
Piebaldism  | 
Piedra  | 
Piercing, Body use Body Piercing  | 
Pierre Robin Syndrome  | 
Pig Skin Dressings use Biological Dressings  | 
Pig, Domestic use Sus scrofa  | 
Pig-Tailed Monkey use Macaca nemestrina  | 
Pigeon Breeder's Lung use Bird Fancier's Lung  | 
Pigeonpea Plant use Cajanus  | 
Pigeonpox Virus use Avipoxvirus  | 
Pigeons use Columbidae  | 
Pigment Epithelium of Eye  | 
Pigmentary Pallidal Degeneration use Pantothenate Kinase-Associated Neurodegeneration  | 
Pigmentary Retinopathy use Retinitis Pigmentosa  | 
Pigmentation  | 
Pigmentation Disorders  | 
Pigments use Pigments, Biological  | 
Pigments, Biological  | 
Pigs use Swine  | 
Pijiguao use Arecaceae  | 
Pikas use Lagomorpha  | 
Pike use Esocidae  | 
Pilar Cyst use Epidermal Cyst  | 
Pili, Bacterial use Fimbriae, Bacterial  | 
Pili, Common use Fimbriae, Bacterial  | 
Pili, Conjugative use Pili, Sex  | 
Pili, Sex  | 
Pilin use Fimbriae Proteins  | 
Pilocarpine  | 
Pilocarpinum  | 
Pilocarpus  | 
Piloerection  | 
Pilomatrixoma  | 
Pilonidal Cyst use Pilonidal Sinus  | 
Pilonidal Sinus  | 
Pilot Lot of Drugs use Drug Samples  | 
Pilot Plants  | 
Pilot Projects  | 
Pilot Whales use Whales, Pilot  | 
Pimaricin use Natamycin  | 
Pimelic Acids  | 
Pimenta  | 
Pimenta officinalis  | 
Pimiento use Capsicum  | 
Pimozide  | 
Pimpernel use Anagallis  | 
Pimpinella  | 
Pimpinella alba use Pimpinella saxifraga  | 
Pimpinella anisum use Pimpinella  | 
Pimpinella saxifraga  | 
Pinaceae  | 
Pinacidil  | 
Pinch Strength  | 
Pinctada  | 
Pindolol  | 
Pine Tree use Pinus  | 
Pine, Loblolly use Pinus taeda  | 
Pineal Body use Pineal Gland  | 
Pineal Gland  | 
Pineal Neoplasms use Pinealoma  | 
Pinealocytoma use Pinealoma  | 
Pinealoma  | 
Pineapple use Ananas  | 
Pineapple Guava use Feijoa  | 
Pineapple Weed use Matricaria  | 
Pinellia  | 
Pineoblastoma use Pinealoma  | 
Pineocytoma use Pinealoma  | 
Pink Disease use Acrodynia  | 
Pinna, Ear use Ear Auricle  | 
Pinnipedia  | 
Pinnipeds use Pinnipedia  | 
Pinocytosis  | 
Pinta  | 
Pinus  | 
Pinus canadensis use Abies canadensis  | 
Pinus cupressus  | 
Pinus lambertiana  | 
Pinus nigra use Abies nigra  | 
Pinus ponderosa  | 
Pinus silvestris  | 
Pinus sylvestris  | 
Pinus taeda  | 
Pinworms use Enterobius  | 
Pions use Mesons  | 
Pipe Fitting use Plumbing (Environmental Health)  | 
Pipe Laying  | 
Pipe Networks use Sewerage  | 
Pipecolic Acids  | 
Pipecurium use Pipecuronium  | 
Pipecuronium  | 
Pipelines  | 
Pipemidic Acid  | 
Piper  | 
Piper angustifolium use Matico  | 
Piper betle  | 
Piper methysticum use Kava  | 
Piper methysticum (Homeopathy)  | 
Piper nigrum  | 
Piperaceae  | 
Piperacillin  | 
Piperamic Acid use Pipemidic Acid  | 
Piperazines  | 
Piperazinum  | 
Piperidines  | 
Piperidones  | 
Piperonyl Butoxide  | 
Piperoxan  | 
Pipes use Pipelines  | 
Pipidae  | 
Piping use Pipelines  | 
Pipobroman  | 
Piracetam  | 
Piracy  | 
Pirenzepine  | 
Piribedil  | 
Piribendyl use Piribedil  | 
Pirinitramide  | 
Piritramid use Pirinitramide  | 
Piritramide use Pirinitramide  | 
Piromidic Acid  | 
Piromonas use Piromyces  | 
Piromyces  | 
Piroplasma use Babesia  | 
Piroplasmia  | 
Piroplasmida  | 
Piroplasmosis use Babesiosis  | 
Piroxicam  | 
Piscidia erythrina  | 
Piscirickettsia  | 
Piscirickettsiaceae  | 
Piscirickettsiaceae Infections  | 
Piscirickettsiosis use Piscirickettsiaceae Infections  | 
Pisiform Bone  | 
Pistachio use Pistacia  | 
Pistacia  | 
Pistia use Araceae  | 
Pistil use Flowers  | 
Piston Pumps use Positive Displacement Pumps  | 
Pisum sativum use Peas  | 
Pit Latrines use Latrines (Environmental Health)  | 
Pit Viper Venoms use Crotalid Venoms  | 
Pit and Fissure Sealants  | 
Pitcairn Island  | 
Pitch Discrimination  | 
Pitch Perception  | 
Pitcherplant use Sarraceniaceae  | 
Pithecia use Pitheciidae  | 
Pitheciidae  | 
Pitheciinae use Pitheciidae  | 
Pithecolobium use Fabaceae  | 
Pitometry  | 
Pittosporaceae use Rosales  | 
Pittosporum use Rosales  | 
Pituitaria glandula  | 
Pituitarium posterium  | 
Pituitary ACTH Hypersecretion  | 
Pituitary Adenoma, ACTH-Secreting use ACTH-Secreting Pituitary Adenoma  | 
Pituitary Adenoma, GH-Secreting use Growth Hormone-Secreting Pituitary Adenoma  | 
Pituitary Adenoma, Prolactin-Secreting use Prolactinoma  | 
Pituitary Adenylate Cyclase-Activating Peptide Receptor Type I use Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide, Type I  | 
Pituitary Adenylate Cyclase-Activating Peptide Receptor Type II use Receptors, Vasoactive Intestinal Polypeptide, Type I  | 
Pituitary Adenylate Cyclase-Activating Peptide Receptor Type III use Receptors, Vasoactive Intestinal Peptide, Type II  | 
Pituitary Adenylate Cyclase-Activating Peptide Receptors use Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide  | 
Pituitary Adenylate Cyclase-Activating Polypeptide  | 
Pituitary Adrenocorticotropin-Secreting Cells use Corticotrophs  | 
Pituitary Apoplexy  | 
Pituitary Cancer use Pituitary Neoplasms  | 
Pituitary Corticotropin-Secreting Adenoma use ACTH-Secreting Pituitary Adenoma  | 
Pituitary Diencephalic Syndrome use Hypothalamic Diseases  | 
Pituitary Diseases  | 
Pituitary Dwarf use Dwarfism, Pituitary  | 
Pituitary Function Tests  | 
Pituitary Gland  | 
Pituitary Gland, Anterior  | 
Pituitary Gland, Intermediate  | 
Pituitary Gland, Posterior  | 
Pituitary Glycoprotein Hormone, alpha Subunit use Glycoprotein Hormones, alpha Subunit  | 
Pituitary Gonadotropin Receptors use Receptors, Gonadotropin  | 
Pituitary Growth Hormone use Growth Hormone  | 
Pituitary Growth Hormone-Secreting Adenoma use Growth Hormone-Secreting Pituitary Adenoma  | 
Pituitary Growth Hormone-Secreting Cells use Somatotrophs  | 
Pituitary Hormone Receptors use Receptors, Pituitary Hormone  | 
Pituitary Hormone Release Inhibiting Hormones  | 
Pituitary Hormone-Regulating Hormone Receptors use Receptors, Pituitary Hormone-Regulating Hormone  | 
Pituitary Hormone-Releasing Hormone Receptors use Receptors, Pituitary Hormone-Regulating Hormone  | 
Pituitary Hormone-Releasing Hormones  | 
Pituitary Hormones  | 
Pituitary Hormones, Anterior  | 
Pituitary Hormones, Posterior  | 
Pituitary Irradiation  | 
Pituitary Melanotropin-Producing Cells use Melanotrophs  | 
Pituitary Neoplasms  | 
Pituitary Prolactin-Secreting Cells use Lactotrophs  | 
Pituitary Stalk use Pituitary Gland  | 
Pituitary TSH-Secreting Cells use Thyrotrophs  | 
Pituitary-Adrenal Function Tests  | 
Pituitary-Adrenal System  | 
Pituitrin use Pituitary Hormones, Posterior  | 
Pituitrinum  | 
Pityriasis  | 
Pityriasis Lichenoides  | 
Pityriasis Lichenoides Chronica use Pityriasis Lichenoides  | 
Pityriasis Lichenoides et Varioliformis Acuta use Pityriasis Lichenoides  | 
Pityriasis Rosea  | 
Pityriasis Rubra Pilaris  | 
Pityriasis Versicolor use Tinea Versicolor  | 
Pityrosporum use Malassezia  | 
Pivampicillin  | 
Pivmecillinam use Amdinocillin Pivoxil  | 
Piwi-Interacting RNA use RNA, Small Interfering  | 
Pix liquida  | 
Pizotifen use Pizotyline  | 
Pizotyline  | 
Placebo Effect  | 
Placebos  | 
Placenta  | 
Placenta Accreta  | 
Placenta Diseases  | 
Placenta Previa  | 
Placenta, Retained  | 
Placental Abruption use Abruptio Placentae  | 
Placental Anticoagulant Protein I use Annexin A5  | 
Placental Anticoagulant Protein II use Annexin A4  | 
Placental Anticoagulant Protein III use Annexin A3  | 
Placental Circulation  | 
Placental Extracts  | 
Placental Function Tests  | 
Placental Hormones  | 
Placental Insufficiency  | 
Placental Lactogen  | 
Placental Proteins use Pregnancy Proteins  | 
Placental Villi use Chorionic Villi  | 
Placental-Site Trophoblastic Tumor use Trophoblastic Tumor, Placental Site  | 
Placentation  | 
Placentoma, Normal use Placenta  | 
Placentome use Placenta  | 
Places for Smoking use Smoking Areas  | 
Plagiarism  | 
Plagiocephaly, Nonsynostotic  | 
Plague  | 
Plague Vaccine  | 
Plaguicides Industry  | 
Plaice use Flounder  | 
Plain Sedimentation use Sedimentation  | 
Plakins  | 
Plakophilins  | 
Plakortis  | 
Plan Director of Civil Defense  | 
Planarians  | 
Planetary Evolution use Evolution, Planetary  | 
Planetoids use Minor Planets  | 
Planets  | 
Planets, Minor use Minor Planets  | 
Plankton  | 
Planned Parenthood use Family Planning (Public Health)  | 
Planning  | 
Planning Techniques  | 
Planning Theories use Planning Techniques  | 
Planning systems use Planning  | 
Planning, Health Facility use Health Facility Planning  | 
Planning, Health and Welfare use Health Planning  | 
Plans  | 
Plans and Programs use Programming  | 
Plans and Programs of Education in Disasters  | 
Plant Antibodies, Recombinant use Plantibodies  | 
Plant Antigens use Antigens, Plant  | 
Plant Aril use Fruit  | 
Plant Bark  | 
Plant Capsule use Fruit  | 
Plant Components  | 
Plant Components, Aerial  | 
Plant DNA use DNA, Plant  | 
Plant Diseases  | 
Plant Embryos use Seeds  | 
Plant Epidermis  | 
Plant Equipment  | 
Plant Extracts  | 
Plant Extracts, Chinese use Drugs, Chinese Herbal  | 
Plant Exudates  | 
Plant Families and Groups  | 
Plant Galls use Plant Tumors  | 
Plant Gene Expression Regulation use Gene Expression Regulation, Plant  | 
Plant Genes use Genes, Plant  | 
Plant Genome use Genome, Plant  | 
Plant Growth Regulators  | 
Plant Gums  | 
Plant Hormones use Plant Growth Regulators  | 
Plant Infertility  | 
Plant Leaves  | 
Plant Lectins  | 
Plant Lice use Aphids  | 
Plant Oils  | 
Plant Physiology  | 
Plant Poisoning  | 
Plant Preparations  | 
Plant Proteins  | 
Plant Proteins, Dietary use Vegetable Proteins  | 
Plant RNA use RNA, Plant  | 
Plant Root Cap  | 
Plant Roots  | 
Plant Shoots  | 
Plant Stems  | 
Plant Sterols use Phytosterols  | 
Plant Stomata  | 
Plant Structures use Plant Components  | 
Plant Style use Flowers  | 
Plant Transpiration  | 
Plant Tubers  | 
Plant Tumor-Inducing Plasmids  | 
Plant Tumors  | 
Plant Viral Movement Proteins  | 
Plant Viruses  | 
Plant Zygotes use Seeds  | 
Plantago  | 
Plantago major  | 
Plantago minor  | 
Plantain use Plantago  | 
Plantar Fasciitis use Fasciitis, Plantar  | 
Plantar Prints use Dermatoglyphics  | 
Plantar Ulcer use Foot Ulcer  | 
Plantaris Muscle use Muscle, Skeletal  | 
Plantibodies  | 
Plants  | 
Plants, Edible  | 
Plants, Genetically Modified  | 
Plants, Medicinal  | 
Plants, Toxic  | 
Plants, Transgenic use Plants, Genetically Modified  | 
Plaque Assay  | 
Plaque Therapy, Radioisotope use Brachytherapy  | 
Plasma  | 
Plasma Albumin use Serum Albumin  | 
Plasma Cell Antigens PC-1 use Antigens, Differentiation, B-Lymphocyte  | 
Plasma Cell Dyscrasias use Paraproteinemias  | 
Plasma Cell Granuloma use Granuloma, Plasma Cell  | 
Plasma Cell Granuloma, Orbital use Granuloma, Plasma Cell, Orbital  | 
Plasma Cell Granuloma, Pulmonary use Granuloma, Plasma Cell, Pulmonary  | 
Plasma Cell Leukemia use Leukemia, Plasma Cell  | 
Plasma Cell Neoplasms use Neoplasms, Plasma Cell  | 
Plasma Cell Tumor use Plasmacytoma  | 
Plasma Cells  | 
Plasma Exchange  | 
Plasma Flow, Renal use Renal Plasma Flow  | 
Plasma Flow, Renal, Effective use Renal Plasma Flow, Effective  | 
Plasma Kallikrein  | 
Plasma Membrane use Cell Membrane  | 
Plasma Membrane Calcium-Transporting ATPases  | 
Plasma Membrane Neurotransmitter Transport Proteins  | 
Plasma Prokallikrein use Prekallikrein  | 
Plasma Proteins use Blood Proteins  | 
Plasma Substitutes  | 
Plasma Thromboplastin Antecedent use Factor XI  | 
Plasma Thromboplastin Component use Factor IX  | 
Plasma Transglutaminase use Factor XIIIa  | 
Plasma Volume  | 
Plasma Volume Expanders use Plasma Substitutes  | 
Plasmacytes use Plasma Cells  | 
Plasmacytic Leukemia use Leukemia, Plasma Cell  | 
Plasmacytoid Dendritic Cells use Dendritic Cells  | 
Plasmacytoma  | 
Plasmacytoma Growth Factor use Interleukin-6  | 
Plasmalogens  | 
Plasmapheresis  | 
Plasmids  | 
Plasmin  | 
Plasminogen  | 
Plasminogen Activator Inhibitor 1  | 
Plasminogen Activator Inhibitor 2  | 
Plasminogen Activator Inhibitor 3 use Protein C Inhibitor  | 
Plasminogen Activator Inhibitors use Plasminogen Inactivators  | 
Plasminogen Activator, Tissue-Type use Tissue Plasminogen Activator  | 
Plasminogen Activator, Urokinase-Type use Urinary Plasminogen Activator  | 
Plasminogen Activators  | 
Plasminogen Inactivators  | 
Plasmodesmata  | 
Plasmodium  | 
Plasmodium Infections use Malaria  | 
Plasmodium berghei  | 
Plasmodium chabaudi  | 
Plasmodium cynomolgi  | 
Plasmodium falciparum  | 
Plasmodium falciparum Malaria use Malaria, Falciparum  | 
Plasmodium gallinaceum  | 
Plasmodium knowlesi  | 
Plasmodium malariae  | 
Plasmodium ovale  | 
Plasmodium vivax  | 
Plasmodium vivax Malaria use Malaria, Vivax  | 
Plasmodium yoelii  | 
Plasmosome use Cell Nucleolus  | 
Plaster Casts use Casts, Surgical  | 
Plaster of Paris use Calcium Sulfate  | 
Plastic Bags for Blood Collection and Packing of Human Blood use Plastic Bags for Blood Preservation  | 
Plastic Bags for Blood Preservation  | 
Plastic Casts use Casts, Surgical  | 
Plastic Embedding  | 
Plastic Pipes use PVC Pipes  | 
Plastic Surgery use Surgery, Plastic  | 
Plasticity, Neuronal use Neuronal Plasticity  | 
Plasticizers  | 
Plastics  | 
Plastics Industry  | 
Plastids  | 
Plastocyanin  | 
Plastoquinol-Plastocyanin Reductase  | 
Plastoquinone  | 
Platanista use Dolphins  | 
Platanna use Xenopus laevis  | 
Platanus occidentalis  | 
Plate Sedimentation use Accelerated Sedimentation  | 
Platelet Activating Factor  | 
Platelet Activation  | 
Platelet Adhesiveness  | 
Platelet Aggregation  | 
Platelet Aggregation Inhibitors  | 
Platelet Alloantigens use Antigens, Human Platelet  | 
Platelet Antagonists use Platelet Aggregation Inhibitors  | 
Platelet Antiaggregants use Platelet Aggregation Inhibitors  | 
Platelet Count  | 
Platelet Endothelial Cell Adhesion Molecule-1 use Antigens, CD31  | 
Platelet Factor 3  | 
Platelet Factor 4  | 
Platelet Function Tests  | 
Platelet Glycoprotein GPIIb-IIIa Complex  | 
Platelet Glycoprotein GPIb-IX Complex  | 
Platelet Glycoprotein IV use Antigens, CD36  | 
Platelet Membrane Glycoprotein IIIa use Integrin beta3  | 
Platelet Membrane Glycoprotein IIIb use Antigens, CD36  | 
Platelet Membrane Glycoprotein IIb  | 
Platelet Membrane Glycoprotein IX use Platelet Glycoprotein GPIb-IX Complex  | 
Platelet Membrane Glycoprotein Ib use Platelet Glycoprotein GPIb-IX Complex  | 
Platelet Membrane Glycoprotein V use Platelet Glycoprotein GPIb-IX Complex  | 
Platelet Membrane Glycoproteins  | 
Platelet Number use Platelet Count  | 
Platelet Storage Pool Deficiency  | 
Platelet Transforming Growth Factor use Transforming Growth Factor beta  | 
Platelet Transfusion  | 
Platelet alpha-Granule Membrane Protein use P-Selectin  | 
Platelet-Activating Factor Hydrolase use 1-Alkyl-2-acetylglycerophosphocholine Esterase  | 
Platelet-Derived Endothelial Cell Growth Factor use Thymidine Phosphorylase  | 
Platelet-Derived Growth Factor  | 
Platelet-Derived Growth Factor B use Proto-Oncogene Proteins c-sis  | 
Platelet-Derived Growth Factor Receptors use Receptors, Platelet-Derived Growth Factor  | 
Platelet-Derived Growth Factor alpha Receptor use Receptor, Platelet-Derived Growth Factor alpha  | 
Platelet-Derived Growth Factor beta Receptor use Receptor, Platelet-Derived Growth Factor beta  | 
Platelet-Rich Plasma  | 
Platelet-Specific Antigens use Antigens, Human Platelet  | 
Plateletpheresis  | 
Platelets use Blood Platelets  | 
Platichthys use Flounder  | 
Platinum  | 
Platinum Black use Platinum  | 
Platinum Compounds  | 
Platinum Compounds, Inorganic use Platinum Compounds  | 
Platinum Diamminodichloride use Cisplatin  | 
Platinum Metallicum  | 
Platinum Muriaticum  | 
Platinum Muriaticum Natronatum  | 
Platybasia  | 
Platycodon  | 
Platyfish use Cyprinodontiformes  | 
Platyhelminths  | 
Platypus  | 
Platyrrhina use Cebidae  | 
Platyrrhini  | 
Play Therapy  | 
Play and Playthings  | 
Pleasure-Pain Principle  | 
Plecoglossinae altivelis use Osmeriformes  | 
Plectin  | 
Plectonema  | 
Plectranthus  | 
Plectranthus fruticosus  | 
Plectrovirus  | 
Plegia use Paralysis  | 
Pleistophora  | 
Pleocytosis use Leukocytosis  | 
Pleoptics use Orthoptics  | 
Plerocercoid Larvae use Sparganum  | 
Plesiomonas  | 
Plesiomonas shigelloides use Plesiomonas  | 
Plethysmography  | 
Plethysmography, Impedance  | 
Plethysmography, Impedance, Transthoracic use Cardiography, Impedance  | 
Plethysmography, Whole Body  | 
Pleura  | 
Pleural Cavity  | 
Pleural Diseases  | 
Pleural Effusion  | 
Pleural Effusion, Malignant  | 
Pleural Endoscopy use Thoracoscopy  | 
Pleural Neoplasms  | 
Pleural Rub use Respiratory Sounds  | 
Pleurisy  | 
Pleurisy, Tuberculous use Tuberculosis, Pleural  | 
Pleurobranchaea  | 
Pleurodeles  | 
Pleurodesis  | 
Pleurodynia Virus use Enterovirus B, Human  | 
Pleurodynia, Epidemic  | 
Pleuronectes use Flounder  | 
Pleuronectiformes use Flatfishes  | 
Pleuropneumonia  | 
Pleuropneumonia, Contagious  | 
Pleuropneumonia-Like Organisms use Mycoplasma  | 
Pleuroscopy use Thoracoscopy  | 
Pleurotus  | 
Plexus Coeliacus use Celiac Plexus  | 
Pliability  | 
Plicamycin  | 
Plocamium  | 
Ploidies  | 
Plotosus use Catfishes  | 
Plugs, Surgical use Surgical Instruments  | 
Plum use Prunus  | 
Plum Pox Virus  | 
Plum, Waika use Clusiaceae  | 
Plumbaginaceae  | 
Plumbago use Plumbaginaceae  | 
Plumbago litteralis  | 
Plumbing use Sanitary Engineering  | 
Plumbing (Environmental Health)  | 
Plumbing Accessories  | 
Plumbism, Nervous System use Lead Poisoning, Nervous System  | 
Plumbism, Neurologic use Lead Poisoning, Nervous System  | 
Plumbism, Neurologic, Adult use Lead Poisoning, Nervous System, Adult  | 
Plumbism, Neurologic, Childhood use Lead Poisoning, Nervous System, Childhood  | 
Plumbum Aceticum  | 
Plumbum Carbonicum  | 
Plumbum Chromicum  | 
Plumbum Iodatum  | 
Plumbum Metallicum  | 
Plumbum Nitricum  | 
Plumbum Phosphoricum  | 
Plumeria use Apocynaceae  | 
Plumeria celinus  | 
Plumes use Feathers  | 
Plummer-Vinson Syndrome  | 
Pluralism use Cultural Diversity  | 
Pluralism (Homeopathy)  | 
Pluripotent Stem Cells  | 
Plus Method  | 
Pluto  | 
Plutonium  | 
Pluviometry  | 
Pneumatic Compression Stockings use Intermittent Pneumatic Compression Devices  | 
Pneumatic Suits use Gravity Suits  | 
Pneumatic Systems use Pressure Systems  | 
Pneumatosis Cystoides Intestinalis  | 
Pneumocephalus  | 
Pneumocephalus, Tension use Pneumocephalus  | 
Pneumococcal Infections  | 
Pneumococcal Polysaccharide Vaccine use Pneumococcal Vaccines  | 
Pneumococcal Vaccines  | 
Pneumococcinum  | 
Pneumococcus use Streptococcus pneumoniae  | 
Pneumoconiogenic Particles  | 
Pneumoconiosis  | 
Pneumocystis  | 
Pneumocystis Infections  | 
Pneumocystis Pneumonia use Pneumonia, Pneumocystis  | 
Pneumocystis carinii  | 
Pneumocystis jirovecii  | 
Pneumocystosis use Pneumonia, Pneumocystis  | 
Pneumoencephalography  | 
Pneumogastric Nerve use Vagus Nerve  | 
Pneumogastric Nerve Disorders use Vagus Nerve Diseases  | 
Pneumology use Pulmonary Disease (Specialty)  | 
Pneumomediastinum use Mediastinal Emphysema  | 
Pneumomediastinum, Diagnostic  | 
Pneumonectomy  | 
Pneumonia  | 
Pneumonia Virus of Mice use Murine pneumonia virus  | 
Pneumonia of Calves, Enzootic  | 
Pneumonia of Swine, Enzootic use Pneumonia of Swine, Mycoplasmal  | 
Pneumonia of Swine, Mycoplasmal  | 
Pneumonia, Aspiration  | 
Pneumonia, Atypical Interstitial, of Cattle  | 
Pneumonia, Bacterial  | 
Pneumonia, Eosinophilic use Pulmonary Eosinophilia  | 
Pneumonia, Interstitial use Lung Diseases, Interstitial  | 
Pneumonia, Interstitial Plasma Cell use Pneumonia, Pneumocystis  | 
Pneumonia, Lipid  | 
Pneumonia, Lobar use Pneumonia, Pneumococcal  | 
Pneumonia, Mycoplasma  | 
Pneumonia, Pneumococcal  | 
Pneumonia, Pneumocystis  | 
Pneumonia, Primary Atypical use Pneumonia, Mycoplasma  | 
Pneumonia, Progressive Interstitial, of Sheep  | 
Pneumonia, Radiation use Radiation Pneumonitis  | 
Pneumonia, Rickettsial  | 
Pneumonia, Staphylococcal  | 
Pneumonia, Ventilator-Associated  | 
Pneumonia, Viral  | 
Pneumonic Plague use Plague  | 
Pneumonitis use Pneumonia  | 
Pneumonitis, Hypersensitivity use Alveolitis, Extrinsic Allergic  | 
Pneumonitis, Hypersensitivity, Avian use Bird Fancier's Lung  | 
Pneumonitis, Interstitial use Lung Diseases, Interstitial  | 
Pneumonitis, Radiation use Radiation Pneumonitis  | 
Pneumonology use Pulmonary Disease (Specialty)  | 
Pneumonolysis  | 
Pneumopericardium  | 
Pneumoperitoneum  | 
Pneumoperitoneum, Artificial  | 
Pneumoradiography  | 
Pneumoretroperitoneum use Retropneumoperitoneum  | 
Pneumothorax  | 
Pneumothorax, Artificial  | 
Pneumovirinae  | 
Pneumovirus  | 
Pneumovirus Infections  | 
Pneumovirus, Avian use Metapneumovirus  | 
Pneumus boldus use Boldon (Homeopathy)  | 
Poa  | 
Poaceae  | 
Pocket, Gingival use Gingival Pocket  | 
Pocket, Periodontal use Periodontal Pocket  | 
Podiatry  | 
Podocytes  | 
Podophyllin  | 
Podophyllotoxin  | 
Podophyllum  | 
Podophyllum peltatum  | 
Podospora  | 
Podoviridae  | 
Poecilia  | 
Poetry  | 
Poikiloderma Congenitale use Rothmund-Thomson Syndrome  | 
Point Mutation  | 
Point Source  | 
Point Source Storm  | 
Point Sources  | 
Point of Care Technology use Point-of-Care Systems  | 
Point of Service Regulations use Patient Freedom of Choice Laws  | 
Point-of-Care Systems  | 
Poison Control Centers  | 
Poison Hemlock use Conium  | 
Poison Ivy use Toxicodendron  | 
Poison Ivy Dermatitis use Dermatitis, Toxicodendron  | 
Poison Oak use Toxicodendron  | 
Poison Sumac use Toxicodendron  | 
Poisoning  | 
Poisoning, Heavy Metals, Nervous System use Heavy Metal Poisoning, Nervous System  | 
Poisoning, Lead, Nervous System use Lead Poisoning, Nervous System  | 
Poisoning, Lead, Nervous System, Adult use Lead Poisoning, Nervous System, Adult  | 
Poisoning, Lead, Nervous System, Childhood use Lead Poisoning, Nervous System, Childhood  | 
Poisoning, Lead, Neurologic use Lead Poisoning, Nervous System  | 
Poisoning, Lead, Neurologic, Adult use Lead Poisoning, Nervous System, Adult  | 
Poisoning, Lead, Neurologic, Childhood use Lead Poisoning, Nervous System, Childhood  | 
Poisoning, Mercury, Nervous System use Mercury Poisoning, Nervous System  | 
Poisoning, Mercury, Neurologic use Mercury Poisoning, Nervous System  | 
Poisoning, Nervous System use Neurotoxicity Syndromes  | 
Poisonous Wastes use Toxic Wastes  | 
Poisons  | 
Poisson Distribution  | 
Pokeweed use Phytolacca americana  | 
Pokeweed Lectins use Pokeweed Mitogens  | 
Pokeweed Mitogens  | 
Pol I use DNA Polymerase I  | 
Pol I Transcription Initiation Complex Proteins use Pol1 Transcription Initiation Complex Proteins  | 
Pol II use DNA Polymerase II  | 
Pol III use DNA Polymerase III  | 
Pol1 Transcription Initiation Complex Proteins  | 
Poland  | 
Poland Syndrome  | 
Polar Air  | 
Polar Bears use Ursidae  | 
Polar Front  | 
Polar Recombination use Gene Conversion  | 
Polar Regions use Cold Climate  | 
Polarcardiography use Vectorcardiography  | 
Polarity of Development use Body Patterning  | 
Polarization Fluoroimmunoassay use Fluorescence Polarization Immunoassay  | 
Polarization Microscopy use Microscopy, Polarization  | 
Polarization, Fluorescence use Fluorescence Polarization  | 
Polarography  | 
Polaron use Gene Conversion  | 
Polder  | 
Polemonium coeruleum  | 
Polerovirus use Luteoviridae  | 
Police  | 
Police Power  | 
Polichrestics  | 
Policies and Cooperation in Science, Technology and Innovation  | 
Policy Compliance use Guideline Adherence  | 
Policy Making  | 
Polio use Poliomyelitis  | 
Poliodystrophia Cerebri use Diffuse Cerebral Sclerosis of Schilder  | 
Poliomyelitis  | 
Poliomyelitis, Bulbar  | 
Poliomyelitis, Nonpoliovirus use Poliomyelitis  | 
Poliomyelitis, Porcine use Encephalomyelitis, Enzootic Porcine  | 
Poliomyelitis, Preparalytic use Poliomyelitis  | 
Poliovirus  | 
Poliovirus Vaccine, Inactivated  | 
Poliovirus Vaccine, Oral  | 
Poliovirus Vaccines  | 
Polioviruses, Murine use Theilovirus  | 
Polish Drying Accelerator use Products for Nails and Cuticles  | 
Polishers use Polishes (Health Surveillance)  | 
Polishes use Industrial Oils  | 
Polishes (Health Surveillance)  | 
Polishes, Dental use Dentifrices  | 
Polishing Lagoons use Maturing Lagoons  | 
Politef use Polytetrafluoroethylene  | 
Political Activity use Politics  | 
Political Factors  | 
Political Systems  | 
Politics  | 
Pollack Whale use Balaenoptera  | 
Pollen  | 
Pollen (Homeopathy)  | 
Pollen Allergy use Rhinitis, Allergic, Seasonal  | 
Pollen Tube  | 
Pollination  | 
Pollinosis use Rhinitis, Allergic, Seasonal  | 
Pollutant Removal use Contaminant Removal  | 
Pollutants  | 
Pollutants Dispersion  | 
Pollutants Propagation use Pollutants Dispersion  | 
Pollutants Transport  | 
Polluter Pays use Polluter-Pays Principle  | 
Polluter-Pays Criterion use Polluter-Pays Principle  | 
Polluter-Pays Principle  | 
Pollution use Environmental Pollution  | 
Pollution Control Measures use Environmental Contamination Control  | 
Pollution Indicators  | 
Pollution Prevention use Environmental Contamination Control  | 
Pollution Reduction use Environmental Contamination Control  | 
Pollution Remediation use Environmental Remediation  | 
Polonium  | 
Poloxalene  | 
Poloxamer  | 
Poloxamers use Poloxamer  | 
Polvidone use Povidone  | 
Poly A  | 
Poly A Polymerase use Polynucleotide Adenylyltransferase  | 
Poly A-Binding Protein use Poly(A)-Binding Proteins  | 
Poly A-U  | 
Poly ADP Ribose use Poly Adenosine Diphosphate Ribose  | 
Poly ADP Ribose Polymerase use Poly(ADP-ribose) Polymerases  | 
Poly Adenosine Diphosphate Ribose  | 
Poly C  | 
Poly G  | 
Poly I  | 
Poly I-C  | 
Poly T  | 
Poly U  | 
Poly dA-dT  | 
Poly dT use Poly T  | 
Poly(A) Tail use RNA, Messenger  | 
Poly(A)+ RNA use RNA, Messenger  | 
Poly(A)+ mRNA use RNA, Messenger  | 
Poly(A)-Binding Protein I  | 
Poly(A)-Binding Protein II  | 
Poly(A)-Binding Proteins  | 
Poly(ADP-Ribose) Polymerase use Poly(ADP-ribose) Polymerases  | 
Poly(ADP-Ribose) Synthase use Poly(ADP-ribose) Polymerases  | 
Poly(ADP-ribose) Polymerases  | 
Poly(Deoxyadenylate-Thymidylate) use Poly dA-dT  | 
Poly(Lactide-Co-Glycoside) use Polyglactin 910  | 
Poly-Hema use Polyhydroxyethyl Methacrylate  | 
Polyacetylene use Polyacetylenes  | 
Polyacetylenes  | 
Polyacid-Modified Composite Resins use Compomers  | 
Polyacrylamide Gel Electrophoresis use Electrophoresis, Polyacrylamide Gel  | 
Polyacrylamide Gel Electrophoresis, Two-Dimensional use Electrophoresis, Gel, Two-Dimensional  | 
Polyadenylate Polymerase use Polynucleotide Adenylyltransferase  | 
Polyadenylate Synthetase use Polynucleotide Adenylyltransferase  | 
Polyadenylation  | 
Polyadenylation Factors use mRNA Cleavage and Polyadenylation Factors  | 
Polyadenylic Acids use Poly A  | 
Polyadenylic-Polyuridylic Acid use Poly A-U  | 
Polyalkenoate Cements use Glass Ionomer Cements  | 
Polyalthia  | 
Polyamides use Nylons  | 
Polyamines  | 
Polyamines, Biogenic use Biogenic Polyamines  | 
Polyanethol Sulfonate use Polyanetholesulfonate  | 
Polyanetholesulfonate  | 
Polyangiaceae use Myxococcales  | 
Polyangium use Myxococcales  | 
Polyanhydrides  | 
Polyarteritis Nodosa  | 
Polyarthralgia use Arthralgia  | 
Polyarthritis use Arthritis  | 
Polyaziridine use Polyethyleneimine  | 
Polybrominated Biphenyls  | 
Polybromobiphenyl Compounds use Polybrominated Biphenyls  | 
Polycarboxylate Cement  | 
Polychaeta  | 
Polychemotherapy use Drug Therapy, Combination  | 
Polychlorinated Biphenyls  | 
Polychlorobiphenyl Compounds use Polychlorinated Biphenyls  | 
Polychloroethylene use Polyvinyl Chloride  | 
Polychloroprene use Neoprene  | 
Polychloroterphenyl Compounds  | 
Polychlorotriphenyl Compounds use Polychloroterphenyl Compounds  | 
Polychondritis, Chronic Atrophic use Polychondritis, Relapsing  | 
Polychondritis, Relapsing  | 
Polyclinic use Health Centers  | 
Polycyclic Aromatic Hydrocarbons use Polycyclic Hydrocarbons, Aromatic  | 
Polycyclic Compounds  | 
Polycyclic Hydrocarbons use Polycyclic Compounds  | 
Polycyclic Hydrocarbons, Aromatic  | 
Polycystic Kidney Disease, Infantile, Type I use Polycystic Kidney, Autosomal Recessive  | 
Polycystic Kidney Diseases  | 
Polycystic Kidney, Autosomal Dominant  | 
Polycystic Kidney, Autosomal Recessive  | 
Polycystic Ovary Syndrome  | 
Polycythemia  | 
Polycythemia Vera  | 
Polycytidylic Acids use Poly C  | 
Polydactyly  | 
Polydeoxyadenine Nucleotides-Polythymine Nucleotides use Poly dA-dT  | 
Polydeoxyribonucleotide Ligases use DNA Ligases  | 
Polydeoxyribonucleotide Synthetases use DNA Ligases  | 
Polydeoxyribonucleotides  | 
Polydimethylsiloxanes use Dimethylpolysiloxanes  | 
Polydioxanone  | 
Polydnaviridae  | 
Polydystrophic Dwarfism use Mucopolysaccharidosis VI  | 
Polydystrophic Oligophrenia use Mucopolysaccharidosis III  | 
Polyelectrolytes use Polymers  | 
Polyendocrinopathies, Autoimmune  | 
Polyenes  | 
Polyesters  | 
Polyethylene  | 
Polyethylene Glycol Cetyl Ether use Cetomacrogol  | 
Polyethylene Glycols  | 
Polyethylene Pipes  | 
Polyethylene Terephthalates  | 
Polyethyleneimine  | 
Polyethylenes  | 
Polygala  | 
Polygala senega use Senega  | 
Polygalaceae  | 
Polygalactoses use Galactans  | 
Polygalacturonase  | 
Polygeline  | 
Polygenic Inheritance use Multifactorial Inheritance  | 
Polygenic Traits use Multifactorial Inheritance  | 
Polyglactin 910  | 
Polyglandular Type I Autoimmune Syndrome use Polyendocrinopathies, Autoimmune  | 
Polyglandular Type II Autoimmune Syndrome use Polyendocrinopathies, Autoimmune  | 
Polyglucoses use Glucans  | 
Polyglutamate Folates use Pteroylpolyglutamic Acids  | 
Polyglutamic Acid  | 
Polyglycol Methacrylate use Polyhydroxyethyl Methacrylate  | 
Polyglycolic Acid  | 
Polyglycolide use Polyglycolic Acid  | 
Polygonaceae  | 
Polygonatum  | 
Polygonum  | 
Polygonum aviculare  | 
Polygonum cuspidatum  | 
Polygonum hydropiperoides  | 
Polygonum maritimum  | 
Polygonum persicaria  | 
Polygonum sagittatum  | 
Polyguanylic Acids use Poly G  | 
Polyhydramnios  | 
Polyhydroxyalkanoates  | 
Polyhydroxyethyl Methacrylate  | 
Polyinosinic Acids use Poly I  | 
Polyisocyanates use Polyurethanes  | 
Polyisoprenyl Phosphate Monosaccharides  | 
Polyisoprenyl Phosphate Oligosaccharides  | 
Polyisoprenyl Phosphate Sugars  | 
Polyisoprenyl Phosphates  | 
Polykaryocytes use Giant Cells  | 
Polyketide Synthases  | 
Polylysine  | 
Polymenophorea  | 
Polymenorrhea use Menstruation Disturbances  | 
Polymerase Chain Reaction  | 
Polymerase Chain Reaction, Reverse Transcriptase use Reverse Transcriptase Polymerase Chain Reaction  | 
Polymeric Immunoglobulin Receptors use Receptors, Polymeric Immunoglobulin  | 
Polymers  | 
Polymethacrylic Acids  | 
Polymethyl Methacrylate  | 
Polymethylmethacrylate use Polymethyl Methacrylate  | 
Polymnia uvedalia  | 
Polymorphic Epithelial Mucin use CA-15-3 Antigen  | 
Polymorphism (Genetics) use Polymorphism, Genetic  | 
Polymorphism, Crystallization use Crystallization  | 
Polymorphism, Genetic  | 
Polymorphism, Restriction Fragment Length  | 
Polymorphism, Single Nucleotide  | 
Polymorphism, Single-Stranded Conformational  | 
Polymorphonuclear Leukocyte Elastase use Leukocyte Elastase  | 
Polymorphonuclear Leukocytes use Neutrophils  | 
Polymyalgia Rheumatica  | 
Polymyoclonus use Myoclonus  | 
Polymyositis  | 
Polymyositis-Dermatomyositis use Dermatomyositis  | 
Polymyxin use Polymyxins  | 
Polymyxin B  | 
Polymyxin E use Colistin  | 
Polymyxins  | 
Polynesia  | 
Polyneuritis use Neuritis  | 
Polyneuropathies  | 
Polyneuropathy, Acquired use Polyneuropathies  | 
Polyneuropathy, Alcoholic use Alcoholic Neuropathy  | 
Polyneuropathy, Paraneoplastic use Paraneoplastic Polyneuropathy  | 
Polynuclear Aromatic Hydrocarbons use Polycyclic Hydrocarbons, Aromatic  | 
Polynucleotide 5'-Hydroxyl-Kinase  | 
Polynucleotide Adenylyltransferase  | 
Polynucleotide Hydroxylkinase use Polynucleotide 5'-Hydroxyl-Kinase  | 
Polynucleotide Kinase use Polynucleotide 5'-Hydroxyl-Kinase  | 
Polynucleotide Ligases  | 
Polynucleotide Phosphorylase use Polyribonucleotide Nucleotidyltransferase  | 
Polynucleotide Synthetases use Polynucleotide Ligases  | 
Polynucleotide Vaccines use Vaccines, DNA  | 
Polynucleotides  | 
Polyomaviridae  | 
Polyomavirus  | 
Polyomavirus Infections  | 
Polyomavirus Large T Antigens use Antigens, Polyomavirus Transforming  | 
Polyomavirus Middle T Antigens use Antigens, Polyomavirus Transforming  | 
Polyomavirus Small T Antigens use Antigens, Polyomavirus Transforming  | 
Polyomavirus T Proteins use Antigens, Polyomavirus Transforming  | 
Polyomavirus Transforming Antigens use Antigens, Polyomavirus Transforming  | 
Polyomavirus Tumor Antigens use Antigens, Polyomavirus Transforming  | 
Polyomavirus, BK use BK Virus  | 
Polyomavirus, JC use JC Virus  | 
Polyopsia use Diplopia  | 
Polyoxyethylene Polyoxypropylene Polyoxyethylene Polymer use Poloxalene  | 
Polyoxyethylenes use Polyethylene Glycols  | 
Polypentose Sulfate use Pentosan Sulfuric Polyester  | 
Polypeptide Hormones use Peptide Hormones  | 
Polypeptides use Peptides  | 
Polyphagidae use Cockroaches  | 
Polypharmacy  | 
Polyphenols use Phenolic Compounds  | 
Polyphloretin Phosphate  | 
Polyphosphates  | 
Polyphosphoinositides use Phosphatidylinositol Phosphates  | 
Polyplacophora  | 
Polyplax use Anoplura  | 
Polyploidy  | 
Polypodiaceae  | 
Polypodium  | 
Polyporaceae  | 
Polyporales  | 
Polyporus officinalis use Boletus laricis  | 
Polyporus pinicola  | 
Polyposis Coli, Familial use Adenomatous Polyposis Coli  | 
Polyposis Syndrome, Familial use Adenomatous Polyposis Coli  | 
Polypropylenes  | 
Polyproteins  | 
Polyps  | 
Polypyrimidine Tract-Binding Protein  | 
Polyradiculitis use Polyradiculopathy  | 
Polyradiculoneuritis use Polyradiculoneuropathy  | 
Polyradiculoneuropathy  | 
Polyradiculoneuropathy, Acute Inflammatory use Guillain-Barre Syndrome  | 
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating  | 
Polyradiculopathy  | 
Polyradiculopathy, Abdominal use Polyradiculopathy  | 
Polyribonucleotide Nucleotidyltransferase  | 
Polyribonucleotide Synthetase use RNA Ligase (ATP)  | 
Polyribonucleotides  | 
Polyribosomes  | 
Polyrotaxanes use Rotaxanes  | 
Polysaccharide-Lyases  | 
Polysaccharides  | 
Polysaccharides, Bacterial  | 
Polysomes use Polyribosomes  | 
Polysomnography  | 
Polysorbate 20 use Polysorbates  | 
Polysorbate 80 use Polysorbates  | 
Polysorbates  | 
Polystichum  | 
Polystyrenes  | 
Polysyndactyly use Syndactyly  | 
Polytef use Polytetrafluoroethylene  | 
Polytetrafluoroethylene  | 
Polythene use Polyethylene  | 
Polythiazide  | 
Polythymidylic Acids use Poly T  | 
Polytrichum juniperinum  | 
Polyubiquitin  | 
Polyunsaturated Alkamides  | 
Polyunsaturated Alkylamides use Polyunsaturated Alkamides  | 
Polyunsaturated Isobutylamides use Polyunsaturated Alkamides  | 
Polyurethanes  | 
Polyuria  | 
Polyuridylic Acids use Poly U  | 
Polyvidon use Povidone  | 
Polyvinyl Alcohol  | 
Polyvinyl Chloride  | 
Polyvinylpyridine N-Oxide  | 
Polyvinylpyrrolidone use Povidone  | 
Polyvinylpyrrolidone Iodine use Povidone-Iodine  | 
Polyvinyls  | 
Polyynes use Polyacetylenes  | 
Pomegranate use Punicaceae  | 
Pomelo Tree use Citrus  | 
Pompe Disease use Glycogen Storage Disease Type II  | 
Pompholyx use Eczema, Dyshidrotic  | 
Poncirus  | 
Pond Lily, Yellow use Nuphar  | 
Ponderosa Pine use Pinus ponderosa  | 
Ponds  | 
Pongamia  | 
Pongo pygmaeus  | 
Pons  | 
Ponsinomycin use Miocamycin  | 
Pontederia use Pontederiaceae  | 
Pontederiaceae  | 
Pontic use Denture, Partial, Fixed  | 
Pontine Hemorrhage, Traumatic use Brain Stem Hemorrhage, Traumatic  | 
Pontine Neoplasms use Brain Stem Neoplasms  | 
Pontoporia blainvillei use Dolphins  | 
Poorhouses use Almshouses  | 
Poplar, Balsam use Populus  | 
Poplar, Black use Populus  | 
Poplar, True use Populus  | 
Poplar, Yellow use Liriodendron  | 
Popliteal Artery  | 
Popliteal Cyst  | 
Popliteal Vein  | 
Poppy use Papaver  | 
Poppy, California use Eschscholzia  | 
Poppy, Prickly use Argemone  | 
Popsicle use Ice-cold Foods  | 
Popular Works  | 
Population  | 
Population Characteristics  | 
Population Concentration  | 
Population Control  | 
Population Control Policies use Population Policy  | 
Population Density  | 
Population Distribution use Demography  | 
Population Dynamics  | 
Population Education  | 
Population Estimates  | 
Population Explosion use Population Growth  | 
Population Explosion (Disasters)  | 
Population Groups  | 
Population Growth  | 
Population Policy  | 
Population Pressure  | 
Population Projections  | 
Population Size use Population Density  | 
Population Statistics use Demographic Data  | 
Population Studies in Public Health  | 
Population Surveillance  | 
Population Surveys  | 
Population at Risk  | 
Population not Economically Active use Inactive Population  | 
Population-Based Planning use Community Health Planning  | 
Populus  | 
Populus candicans  | 
Populus tremuloides  | 
Porcelain use Dental Porcelain  | 
Porcelain-Metal Alloys use Metal Ceramic Alloys  | 
Porcelia use Annonaceae  | 
Porcine Adenoviruses use Adenoviruses, Porcine  | 
Porcine Enteroviruses use Enteroviruses, Porcine  | 
Porcine Epidemic Abortion and Respiratory Syndrome use Porcine Reproductive and Respiratory Syndrome  | 
Porcine Gastroenteritis, Transmissible use Gastroenteritis, Transmissible, of Swine  | 
Porcine Postweaning Multisystemic Wasting Syndrome  | 
Porcine Reproductive and Respiratory Syndrome  | 
Porcine Respiratory Coronavirus  | 
Porcine Transmissible Gastroenteritis Virus use Transmissible gastroenteritis virus  | 
Porcine Xenograft Bioprosthesis use Bioprosthesis  | 
Porcine Xenograft Dressings use Biological Dressings  | 
Porcine circovirus use Circovirus  | 
Porcine epidemic diarrhea virus  | 
Porcine hemagglutinating encephalomyelitis virus use Coronavirus  | 
Porcine parvovirus use Parvovirus, Porcine  | 
Porcine respiratory and reproductive syndrome virus  | 
Porcine torovirus use Torovirus  | 
Porcupines  | 
Pore Forming Cytotoxic Proteins  | 
Pore Proteins use Porins  | 
Porfimer use Dihematoporphyrin Ether  | 
Porfiromycin  | 
Porgies use Perciformes  | 
Poria use Polyporales  | 
Porichthys use Batrachoidiformes  | 
Porifera  | 
Porins  | 
Pornography use Erotica  | 
Porokeratosis  | 
Porokeratosis Palmaris et Plantaris Disseminata use Porokeratosis  | 
Porokeratosis of Mibelli use Porokeratosis  | 
Porokeratosis, Disseminated Superficial Actinic use Porokeratosis  | 
Porokeratosis, Linear use Porokeratosis  | 
Porokeratosis, Mibelli use Porokeratosis  | 
Porokeratosis, Palmoplantar use Porokeratosis  | 
Porokeratosis, Punctate use Porokeratosis  | 
Poroporo use Solanum  | 
Porosity  | 
Porous Media Flocculators  | 
Porphobilinogen  | 
Porphobilinogen Ammonia-Lyase use Hydroxymethylbilane Synthase  | 
Porphobilinogen Deaminase use Hydroxymethylbilane Synthase  | 
Porphobilinogen Synthase  | 
Porphyra  | 
Porphyria Cutanea Tarda  | 
Porphyria, Acute Intermittent  | 
Porphyria, Erythrohepatic use Porphyria, Hepatoerythropoietic  | 
Porphyria, Erythropoietic  | 
Porphyria, Erythropoietic, Congenital use Porphyria, Erythropoietic  | 
Porphyria, Hepatoerythropoietic  | 
Porphyria, Variegate  | 
Porphyrias  | 
Porphyrias, Hepatic  | 
Porphyridium  | 
Porphyrin-Metal Chelatase use Ferrochelatase  | 
Porphyrinogens  | 
Porphyrins  | 
Porphyromonas  | 
Porphyromonas endodontalis  | 
Porphyromonas gingivalis  | 
Porpoises  | 
Port-Wine Stain  | 
Portacaval Shunt, Surgical  | 
Portal Pressure  | 
Portal System  | 
Portal Vein  | 
Portals for Scientific Journals  | 
Portasystemic Shunt, Surgical  | 
Portasystemic Shunt, Transjugular Intrahepatic  | 
Portoenterostomy, Hepatic  | 
Portography  | 
Portosystemic Encephalopathy use Hepatic Encephalopathy  | 
Portosystemic Shunt, Surgical use Portasystemic Shunt, Surgical  | 
Portosystemic Shunt, Transjugular Intrahepatic use Portasystemic Shunt, Transjugular Intrahepatic  | 
Portraits  | 
Portraits as Topic  | 
Portugal  | 
Portuguese East Africa use Mozambique  | 
Portuguese Guinea use Guinea-Bissau  | 
Portuguese Man-of-War use Hydrozoa  | 
Portulaca  | 
Portulacaceae  | 
Posidonia use Alismatidae  | 
Position Description use Job Description  | 
Positive Displacement Pumps  | 
Positive End-Expiratory Pressure use Positive-Pressure Respiration  | 
Positive Reinforcement use Reinforcement (Psychology)  | 
Positive Transcriptional Elongation Factor B  | 
Positive-Pressure Respiration  | 
Positive-Pressure Respiration, Intrinsic  | 
Positive-Pressure Respiration, Occult use Positive-Pressure Respiration, Intrinsic  | 
Positron-Emission Tomography  | 
Positrons use Electrons  | 
Posology  | 
Possums, Brush-Tailed use Trichosurus  | 
Post Disaster Reconstruction use Reconstruction  | 
Post Disaster Resettlement  | 
Post and Core Technique  | 
Post-Anesthesia Nursing use Postanesthesia Nursing  | 
Post-Basic Nursing Education use Education, Nursing, Continuing  | 
Post-Concussion Syndrome  | 
Post-Concussive Syndrome use Post-Concussion Syndrome  | 
Post-Dural Puncture Headache  | 
Post-Ictal Memory Loss use Amnesia, Anterograde  | 
Post-Infarction Heart Rupture use Heart Rupture, Post-Infarction  | 
Post-Polio Syndrome use Postpoliomyelitis Syndrome  | 
Post-Poliomyelitis Syndrome use Postpoliomyelitis Syndrome  | 
Post-Registration Nursing Education use Education, Nursing, Continuing  | 
Post-Surgical Nursing use Postanesthesia Nursing  | 
Post-Transcriptional Gene Silencing use RNA Interference  | 
Post-Transcriptional RNA Modification use RNA Processing, Post-Transcriptional  | 
Post-Translational Isoprenylation use Protein Prenylation  | 
Post-Translational Protein Modification use Protein Processing, Post-Translational  | 
Post-Traumatic Cancer use Neoplasms, Post-Traumatic  | 
Post-Traumatic Headache  | 
Post-Traumatic Hydrocephalus use Hydrocephalus  | 
Post-Traumatic Neoplasms use Neoplasms, Post-Traumatic  | 
Post-Traumatic Stress Disorders use Stress Disorders, Post-Traumatic  | 
Post-Traumatic Tic Disorder use Tic Disorders  | 
Post-Traumatic Vegetative State use Persistent Vegetative State  | 
Post-Vaccinal Encephalomyelitis use Encephalomyelitis, Acute Disseminated  | 
Postage Stamps use Philately  | 
Postal Service  | 
Postanesthesia Nursing  | 
Postcholecystectomy Syndrome  | 
Postcholedochoduodenostomy Syndrome use Postcholecystectomy Syndrome  | 
Postcholedochojejunostomy Syndrome use Postcholecystectomy Syndrome  | 
Postcholedochostomy Syndrome use Postcholecystectomy Syndrome  | 
Postcibal Period use Postprandial Period  | 
Postcoital Contraceptives use Contraceptives, Postcoital  | 
Postcommissurotomy Syndrome use Postpericardiotomy Syndrome  | 
Postencephalitic Parkinsonism use Parkinson Disease, Postencephalitic  | 
Posterior Cerebral Artery  | 
Posterior Cerebral Artery Infarction use Infarction, Posterior Cerebral Artery  | 
Posterior Cervical Sympathetic Syndrome use Spinal Osteophytosis  | 
Posterior Choroidal Artery Infarction use Cerebral Infarction  | 
Posterior Cruciate Ligament  | 
Posterior Fossa Neoplasms use Infratentorial Neoplasms  | 
Posterior Horn Cells  | 
Posterior Hypothalamic Region use Hypothalamus, Posterior  | 
Posterior Inferior Cerebellar Artery Syndrome use Lateral Medullary Syndrome  | 
Posterior Ischemic Optic Neuropathy use Optic Neuropathy, Ischemic  | 
Posterior Leukoencephalopathy Syndrome  | 
Posterior Longitudinal Ligament use Longitudinal Ligaments  | 
Posterior Nucleus of Thalamus use Posterior Thalamic Nuclei  | 
Posterior Spinal Artery Syndrome use Spinal Cord Vascular Diseases  | 
Posterior Thalamic Nuclei  | 
Posterior Tibial Nerve use Tibial Nerve  | 
Posterior Tibial Neuropathy use Tibial Neuropathy  | 
Posterior Tibial Tendon Dysfunction  | 
Posterior Vitreous Detachment use Vitreous Detachment  | 
Posters  | 
Postgastrectomy Syndromes  | 
Postgraduate Nursing Education use Education, Nursing, Graduate  | 
Posthumous Conception  | 
Posthumous Reproduction use Posthumous Conception  | 
Postimplantation Embryo Development use Embryonic Development  | 
Postinfectious Encephalomyelitis use Encephalomyelitis, Acute Disseminated  | 
Postmarketing Product Surveillance use Product Surveillance, Postmarketing  | 
Postmenopausal Bone Loss use Osteoporosis, Postmenopausal  | 
Postmenopausal Hormone Replacement Therapy use Estrogen Replacement Therapy  | 
Postmenopausal Osteoporosis use Osteoporosis, Postmenopausal  | 
Postmenopause  | 
Postmodernism  | 
Postmortem Changes  | 
Postnatal Care  | 
Postnatal Depression use Depression, Postpartum  | 
Postneonatal Mortality  | 
Postoperative Care  | 
Postoperative Complications  | 
Postoperative Hemorrhage  | 
Postoperative Nausea and Vomiting  | 
Postoperative Period  | 
Postoperative Wound Infection use Surgical Wound Infection  | 
Postovulatory Phase use Luteal Phase  | 
Postpartum Depression use Depression, Postpartum  | 
Postpartum Hemorrhage  | 
Postpartum Period  | 
Postpartum Thyroiditis  | 
Postpericardiotomy Syndrome  | 
Postphlebitic Disease use Postphlebitic Syndrome  | 
Postphlebitic Syndrome  | 
Postphlebitic Ulcer use Postphlebitic Syndrome  | 
Postpoliomyelitis Muscular Atrophy use Postpoliomyelitis Syndrome  | 
Postpoliomyelitis Syndrome  | 
Postprandial Period  | 
Postthrombotic Syndrome  | 
Postural Drainage use Drainage, Postural  | 
Posture  | 
Postviral Fatigue Syndrome use Fatigue Syndrome, Chronic  | 
Postweaning Multisystemic Wasting Syndrome, Porcine use Porcine Postweaning Multisystemic Wasting Syndrome  | 
Postzoster Arteritis use Vasculitis, Central Nervous System  | 
Potable Water  | 
Potamobius astacus use Astacus fluviatilis  | 
Potamogeton use Potamogetonaceae  | 
Potamogeton natans  | 
Potamogetonaceae  | 
Potassium  | 
Potassium Acetate  | 
Potassium Antimonyltartrate use Antimony Potassium Tartrate  | 
Potassium Bichromate use Potassium Dichromate  | 
Potassium Canrenoate use Canrenoate Potassium  | 
Potassium Channel Blockers  | 
Potassium Channel Interacting Proteins use Kv Channel-Interacting Proteins  | 
Potassium Channels  | 
Potassium Channels, Background use Potassium Channels, Tandem Pore Domain  | 
Potassium Channels, Baseline use Potassium Channels, Tandem Pore Domain  | 
Potassium Channels, Calcium-Activated  | 
Potassium Channels, Intermediate-Conductance Calcium-Activated use Intermediate-Conductance Calcium-Activated Potassium Channels  | 
Potassium Channels, Inwardly Rectifying  | 
Potassium Channels, Leak use Potassium Channels, Tandem Pore Domain  | 
Potassium Channels, Tandem Pore Domain  | 
Potassium Channels, Voltage-Gated  | 
Potassium Chloride  | 
Potassium Citrate  | 
Potassium Clavulanate-Amoxicillin Combination use Amoxicillin-Potassium Clavulanate Combination  | 
Potassium Compounds  | 
Potassium Cyanide  | 
Potassium Deficiency  | 
Potassium Dichromate  | 
Potassium Glutamate use Glutamates  | 
Potassium Iodide  | 
Potassium Isotopes  | 
Potassium Magnesium Asparaginate use Potassium Magnesium Aspartate  | 
Potassium Magnesium Aspartate  | 
Potassium Nitrate use Kali Nitricum  | 
Potassium Permanganate  | 
Potassium Pump use Sodium-Potassium-Exchanging ATPase  | 
Potassium Radioisotopes  | 
Potassium Succinate use Succinic Acid  | 
Potassium Sulfate use Kali Sulphuricum  | 
Potassium Sulfide use Kali Sulphuratum  | 
Potassium, Dietary  | 
Potassium-Hydrogen Antiporters  | 
Potato Fecula use Starch and Fecula  | 
Potato Virus X use Potexvirus  | 
Potato Virus Y use Potyvirus  | 
Potatoes use Solanum tuberosum  | 
Potency  | 
Potency Similitude use Simillimum Potency  | 
Potency Tracking use Simillimum Potency  | 
Potency, High use High Potencies  | 
Potency, Low use Low Potencies  | 
Potential Injury Creating Events use Disasters  | 
Potential Years of Life Lost  | 
Potential for Purification use Analysis of Treatability  | 
Potentilla  | 
Potentilla anserina  | 
Potentilla aurea  | 
Potentilla erecta  | 
Potentilla reptans  | 
Potentilla tormentilla  | 
Potentiometry  | 
Potexvirus  | 
Pothos foetidus  | 
Potoroidae  | 
Pott Disease use Tuberculosis, Spinal  | 
Pottos use Lorisidae  | 
Potyviridae  | 
Potyvirus  | 
Pou4f1 Transcription Factor use Transcription Factor Brn-3A  | 
Pou4f2 Transcription Factor use Transcription Factor Brn-3B  | 
Pou4f3 Transcription Factor use Transcription Factor Brn-3C  | 
Pouchitis  | 
Poult Enteritis Mortality Syndrome  | 
Poultry  | 
Poultry Diseases  | 
Poultry Farms use Aviculture  | 
Poultry Products  | 
Poultry Raising use Aviculture  | 
Pour Plate Count use Colony Count, Microbial  | 
Pouteria  | 
Poverty  | 
Poverty Areas  | 
Povidone  | 
Povidone-Iodine  | 
Powassan Encephalitis use Encephalitis, Tick-Borne  | 
Powassan virus use Encephalitis Viruses, Tick-Borne  | 
Powder Diffraction  | 
Powder for Body  | 
Powder for Food Preparation  | 
Powdered Milk use Breast-Milk Substitutes  | 
Powders  | 
Power (Psychology)  | 
Power Plants  | 
Power Provision use Energy Supply  | 
Power Sources use Electric Power Supplies  | 
Power Sources (Environmental Health)  | 
Power Sources, Bioelectric use Bioelectric Energy Sources  | 
Power Suppliers use Power Sources (Environmental Health)  | 
Power Supplies use Electric Power Supplies  | 
Power Supply use Energy Supply  | 
Power, Personal use Power (Psychology)  | 
Power, Professional use Power (Psychology)  | 
Power, Social use Power (Psychology)  | 
Poxviridae  | 
Poxviridae Infections  | 
Poxvirus Infections use Poxviridae Infections  | 
Poxvirus Myxomatis use Myxoma virus  | 
Poxvirus avium use Avipoxvirus  | 
Poxvirus muris use Ectromelia virus  | 
Poxvirus officinale use Vaccinia virus  | 
Poxvirus variolae use Variola virus  | 
PrP 27-30 Protein  | 
PrP Proteins use Prions  | 
PrPC Proteins  | 
PrPSc Proteins  | 
Practice (Psychology)  | 
Practice Guideline  | 
Practice Guidelines as Topic  | 
Practice Management  | 
Practice Management Services use Practice Management  | 
Practice Management, Dental  | 
Practice Management, Medical  | 
Practice Patterns, Dental use Dentist's Practice Patterns  | 
Practice Patterns, Professional use Physician's Practice Patterns  | 
Practice Valuation and Purchase  | 
Practolol  | 
Prader-Willi Syndrome  | 
Prairie Dogs use Sciuridae  | 
Prajmaline  | 
Prajmalium use Prajmaline  | 
Pralidoxime Compounds  | 
Praomys use Murinae  | 
Praseodymium  | 
Prasterone use Dehydroepiandrosterone  | 
Prausnitz-Kustner Test use Intradermal Tests  | 
Pravastatin  | 
Prayer use Religion  | 
Prayer Healing use Faith Healing  | 
Praying Mantis use Mantodea  | 
Prazepam  | 
Praziquantel  | 
Prazosin  | 
Pre-B Cell Receptors  | 
Pre-B Lymphocytes use Precursor Cells, B-Lymphoid  | 
Pre-B-Cell Colony-Enhancing Factor use Nicotinamide Phosphoribosyltransferase  | 
Pre-B-Cell Leukemia use Precursor B-Cell Lymphoblastic Leukemia-Lymphoma  | 
Pre-Eclampsia  | 
Pre-Excitation Syndromes  | 
Pre-Excitation, Mahaim-Type  | 
Pre-Hospital Care use Prehospital Care  | 
Pre-Hospital Services use Prehospital Services  | 
Pre-Ictal Memory Loss use Amnesia, Retrograde  | 
Pre-Menopause use Premenopause  | 
Prealbumin  | 
Preanesthetic Medication  | 
Prebeta-Lipoproteins use Lipoproteins, VLDL  | 
Precancerous Conditions  | 
Precatory Bean Plant use Abrus  | 
Precaution  | 
Precautions, Universal use Universal Precautions  | 
Preceptorship  | 
Precipitating Factors  | 
Precipitation  | 
Precipitation Gauge  | 
Precipitation Intensity  | 
Precipitation Types  | 
Precipitin Tests  | 
Precipitins  | 
Precision Attachment, Denture use Denture Precision Attachment  | 
Precocious Neonatal Mortality use Early Neonatal Mortality  | 
Preconception Care  | 
Preconception Injuries  | 
Precursor B-Cell Lymphoblastic Leukemia-Lymphoma  | 
Precursor B-Lymphocytes use Precursor Cells, B-Lymphoid  | 
Precursor Cell Lymphoblastic Leukemia-Lymphoma  | 
Precursor Cells, B-Lymphoid  | 
Precursor Cells, T-Lymphoid  | 
Precursor RNA use RNA Precursors  | 
Precursor T-Cell Lymphoblastic Leukemia-Lymphoma  | 
Predator Chain use Food Chain  | 
Predatory Behavior  | 
Predental Education use Education, Predental  | 
Prediabetes use Prediabetic State  | 
Prediabetic State  | 
Predictive Value use Predictive Value of Tests  | 
Predictive Value of Tests  | 
Predisaster Mitigation use Prevention and Mitigation  | 
Predisposing Factors use Causality  | 
Prednacinolone use Desonide  | 
Prednimustine  | 
Prednisolone  | 
Prednisone  | 
Preening use Grooming  | 
Preferred Provider Organizations  | 
Prefilters  | 
Prefiltration  | 
Prefrontal Cortex  | 
Pregnadienediols  | 
Pregnadienes  | 
Pregnadienetriols  | 
Pregnancy  | 
Pregnancy Complications  | 
Pregnancy Complications, Cardiovascular  | 
Pregnancy Complications, Hematologic  | 
Pregnancy Complications, Infectious  | 
Pregnancy Complications, Neoplastic  | 
Pregnancy Complications, Parasitic  | 
Pregnancy Luteoma use Luteoma  | 
Pregnancy Maintenance  | 
Pregnancy Nutrition use Prenatal Nutrition Physiology  | 
Pregnancy Outcome  | 
Pregnancy Proteins  | 
Pregnancy Rate  | 
Pregnancy Reduction, Multifetal  | 
Pregnancy Tests  | 
Pregnancy Tests, Immunologic  | 
Pregnancy Trimester, First  | 
Pregnancy Trimester, Second  | 
Pregnancy Trimester, Third  | 
Pregnancy Trimesters  | 
Pregnancy in Adolescence  | 
Pregnancy in Diabetics  | 
Pregnancy in Phenylketonuria use Phenylketonuria, Maternal  | 
Pregnancy, Abdominal  | 
Pregnancy, Adolescent use Pregnancy in Adolescence  | 
Pregnancy, Animal  | 
Pregnancy, Ectopic  | 
Pregnancy, First Trimester use Pregnancy Trimester, First  | 
Pregnancy, High-Risk  | 
Pregnancy, Molar use Hydatidiform Mole  | 
Pregnancy, Multiple  | 
Pregnancy, Prolonged  | 
Pregnancy, Second Trimester use Pregnancy Trimester, Second  | 
Pregnancy, Teenage use Pregnancy in Adolescence  | 
Pregnancy, Third Trimester use Pregnancy Trimester, Third  | 
Pregnancy, Tubal  | 
Pregnancy, Unplanned  | 
Pregnancy, Unwanted  | 
Pregnancy-Associated Alpha 2-Globulins use Pregnancy-Associated alpha 2-Macroglobulins  | 
Pregnancy-Associated Alpha 2-Glycoproteins use Pregnancy-Associated alpha 2-Macroglobulins  | 
Pregnancy-Associated Plasma Protein-A  | 
Pregnancy-Associated alpha 2-Macroglobulins  | 
Pregnancy-Specific beta 1-Glycoprotein use Pregnancy-Specific beta 1-Glycoproteins  | 
Pregnancy-Specific beta 1-Glycoproteins  | 
Pregnanediol  | 
Pregnanediones  | 
Pregnanes  | 
Pregnanetriol  | 
Pregnanolone  | 
Pregnant Mare Serum Gonadotropins use Gonadotropins, Equine  | 
Pregnant Women  | 
Pregnatrienes  | 
Pregnenediones  | 
Pregnenes  | 
Pregneninolone use Ethisterone  | 
Pregnenolone  | 
Pregnenolone Carbonitrile  | 
Prehospital Care  | 
Prehospital Emergency Care use Emergency Medical Services  | 
Prehospital Services  | 
Preimplantation Diagnosis  | 
Preimplantation Embryo Development use Embryonic Development  | 
Preimplantation Genetic Diagnosis use Preimplantation Diagnosis  | 
Prejudice  | 
Prekallikrein  | 
Preleukemia  | 
Prelingual Deafness use Deafness  | 
Premarital Examinations  | 
Premature Aging use Aging, Premature  | 
Premature Atrial Beats use Atrial Premature Complexes  | 
Premature Atrial Contractions use Atrial Premature Complexes  | 
Premature Beats use Cardiac Complexes, Premature  | 
Premature Birth  | 
Premature Cardiac Complexes use Cardiac Complexes, Premature  | 
Premature Rupture of Membrane (Pregnancy) use Fetal Membranes, Premature Rupture  | 
Premature Stop Codon use Codon, Nonsense  | 
Premature Supraventricular Beats use Atrial Premature Complexes  | 
Premature Ventricular Beats use Ventricular Premature Complexes  | 
Premature Ventricular Contractions use Ventricular Premature Complexes  | 
Premedical Education use Education, Premedical  | 
Premedication  | 
Premedication, Antibiotic use Antibiotic Prophylaxis  | 
Premenopause  | 
Premenstrual Syndrome  | 
Premenstrual Tension use Premenstrual Syndrome  | 
Premolar use Bicuspid  | 
Prenalterol  | 
Prenatal Care  | 
Prenatal Diagnosis  | 
Prenatal Diagnosis, Ultrasonic use Ultrasonography, Prenatal  | 
Prenatal Exposure Delayed Effects  | 
Prenatal Injuries  | 
Prenatal Nutrition  | 
Prenatal Nutrition Physiology  | 
Prenatal Structures use Embryonic Structures  | 
Prenazone  | 
Preneoplastic Conditions use Precancerous Conditions  | 
Prenylamine  | 
Prenylation  | 
Prenyltransferase use Dimethylallyltranstransferase  | 
Preoperative Care  | 
Preoptic Area  | 
Preovulatory Phase use Follicular Phase  | 
Prepaid Dental Care use Insurance, Dental  | 
Prepaid Group Health Organizations use Health Maintenance Organizations  | 
Prepaid Group Practice use Group Practice, Prepaid  | 
Prepaid Health Plans  | 
Preparation Scales  | 
Prepared Foods  | 
Prepared Mustard  | 
Preparedness  | 
Prephenate Dehydratase  | 
Prephenate Dehydrogenase  | 
Prephenate Hydro-lyase use Prephenate Dehydratase  | 
Preprosthetic Oral Surgical Procedures use Oral Surgical Procedures, Preprosthetic  | 
Prepuce use Foreskin  | 
Presbycusis  | 
Presbyopia  | 
Presbytis use Cercopithecidae  | 
Preschool Education  | 
Prescribed Drugs use Drugs with Prescription  | 
Prescription Fees  | 
Prescription Insurance use Insurance, Pharmaceutical Services  | 
Prescriptions, Drug  | 
Prescriptions, Non-Drug  | 
Presenile Alzheimer Dementia use Alzheimer Disease  | 
Presenilin-1  | 
Presenilin-2  | 
Presenilins  | 
Presentation, Breech use Breech Presentation  | 
Presentation, Fetal use Labor Presentation  | 
Preservation, Biological  | 
Preservation, Food use Food Preservation  | 
Preservatives in Cosmetics use Additives in Cosmetics  | 
Preservatives, Pharmaceutical  | 
Press  | 
Press Filters  | 
Pressoreceptors  | 
Pressure  | 
Pressure Conduits use Pressure Waterpipe Networks  | 
Pressure Filters  | 
Pressure Reducing Valves  | 
Pressure Regulators use Pressure Reducing Valves  | 
Pressure Sore use Pressure Ulcer  | 
Pressure Suits use Gravity Suits  | 
Pressure Systems  | 
Pressure Ulcer  | 
Pressure Waterpipe Networks  | 
Presumed Consent  | 
Presynaptic Receptors use Receptors, Presynaptic  | 
Presynaptic Terminals  | 
Presyncope use Syncope  | 
Preteen Pregnancy use Pregnancy in Adolescence  | 
Preterm Labor use Obstetric Labor, Premature  | 
Preternatural Human Combustibility use Spontaneous Combustion  | 
Pretreatment  | 
Prevalence  | 
Prevalence Rate use Prevalence  | 
Prevalence Ratio  | 
Prevalence Studies use Cross-Sectional Studies  | 
Prevention and Mitigation  | 
Prevention of Communicable Diseases use Communicable Disease Prevention  | 
Prevention, Primary use Primary Prevention  | 
Preventive Care use Preventive Health Services  | 
Preventive Dentistry  | 
Preventive Health Services  | 
Preventive Maintenance  | 
Preventive Medicine  | 
Preventive Psychiatry  | 
Preventive Services use Preventive Health Services  | 
Previous Analysis of Products  | 
Prevotella  | 
Prevotella intermedia  | 
Prevotella melaninogenica  | 
Prevotella nigrescens  | 
Prevotella ruminicola  | 
Prewarning  | 
Prey use Hunt  | 
Priapism  | 
Price Lists  | 
Prickly Poppy use Argemone  | 
Prickly-Pear Cactus use Opuntia  | 
Prilocaine  | 
Primaclone use Primidone  | 
Primaquine  | 
Primary Action use Primary Effect  | 
Primary Amine Oxidoreductases use Oxidoreductases Acting on CH-NH2 Group Donors  | 
Primary CNS Vasculitis use Vasculitis, Central Nervous System  | 
Primary Care use Primary Health Care  | 
Primary Care Physicians use Physicians, Family  | 
Primary Effect  | 
Primary Effluents  | 
Primary Effusion Lymphoma use Lymphoma, Primary Effusion  | 
Primary Environmental Health  | 
Primary Health Care  | 
Primary Hypokalemic Periodic Paralysis use Hypokalemic Periodic Paralysis  | 
Primary Impact  | 
Primary Nursing Care  | 
Primary Parkinsonism use Parkinson Disease  | 
Primary Prevention  | 
Primary RNA Transcript use RNA Precursors  | 
Primary Sedimentation  | 
Primary Tooth use Tooth, Deciduous  | 
Primary Treatment  | 
Primary Treatment Plants  | 
Primary Wave use p Wave  | 
Primase use DNA Primase  | 
Primate Diseases  | 
Primate Immunodeficiency Viruses use Lentiviruses, Primate  | 
Primate T-lymphotropic virus 1  | 
Primate T-lymphotropic virus 2  | 
Primate T-lymphotropic virus 3  | 
Primates  | 
Primed In Situ Labeling  | 
Primidone  | 
Primiparity use Parity  | 
Primitive Gut use Gastrula  | 
Primitive Streak  | 
Primrose use Primula  | 
Primrose, Evening use Oenothera biennis  | 
Primula  | 
Primula farinosa  | 
Primula lactea use Androsace lactea  | 
Primula obconica  | 
Primula officinalis use Primula veris  | 
Primula veris  | 
Primulaceae  | 
Prince Edward Island  | 
Principal Component Analysis  | 
Principle-Based Ethics  | 
Prindolol use Pindolol  | 
Prinos verticillatus  | 
Printed Circuit Boards  | 
Printers' Marks  | 
Printing  | 
Printing Companies use Printing Industry  | 
Printing Industry  | 
Printing Workshops use Printing Industry  | 
Prinzmetal Angina use Angina Pectoris, Variant  | 
Prion Diseases  | 
Prion Proteins use Prions  | 
Prions  | 
Prionurus australis use Buthus australis  | 
Priorities, Health use Health Priorities  | 
Priority Groups use Health Priorities  | 
Prison Sanitation  | 
Prisoner of War  | 
Prisoner's Dilemma use Game Theory  | 
Prisoners  | 
Prisons  | 
Pristinamycin  | 
Privacy  | 
Privacy Act use Privacy  | 
Privacy of Patient Data use Confidentiality  | 
Privacy of Space use Personal Space  | 
Private Enterprise use Private Sector  | 
Private Health Care Coverage  | 
Private Hospitals use Hospitals, Private  | 
Private Management  | 
Private Practice  | 
Private Rooms use Patients' Rooms  | 
Private Sector  | 
Privatization  | 
Privet use Ligustrum  | 
Privileged Communication use Confidentiality  | 
Pro-Apoptotic Proteins use Apoptosis Regulatory Proteins  | 
Pro-Opiocortin use Pro-Opiomelanocortin  | 
Pro-Opiomelanocortin  | 
Pro-Opiomelanocortin Converting Enzyme use Proprotein Convertases  | 
Proaccelerin use Factor V  | 
Proactive Inhibition  | 
Proadifen  | 
Proalbumin use Prealbumin  | 
Proanthocyanidins  | 
Proazamine use Promethazine  | 
Probabilistic Models use Models, Statistical  | 
Probability  | 
Probability Learning  | 
Probability Theory  | 
Probable Maximum Precipitation  | 
Probable Precipitation  | 
Probe  | 
Probenecid  | 
Probiotics  | 
Problem Solving  | 
Problem-Based Learning  | 
Problem-Oriented Medical Records use Medical Records, Problem-Oriented  | 
Problems and Exercises  | 
Proboscidea Mammal use Elephants  | 
Proboscidea Plant use Pedaliaceae  | 
Probucol  | 
Procainamide  | 
Procaine  | 
Procaine Amide use Procainamide  | 
Procambarus use Astacoidea  | 
Procarbazine  | 
Procaterol  | 
Procedural Law  | 
Process Assessment (Health Care)  | 
Processes of Substances, Products and Materials  | 
Processing Centre  | 
Procetofen  | 
Prochlorococcus  | 
Prochloron  | 
Prochlorophytes  | 
Prochlorothrix  | 
Prochlorperazine  | 
Procollagen  | 
Procollagen N-Endopeptidase  | 
Procollagen Peptidase use Procollagen N-Endopeptidase  | 
Procollagen Type I use Collagen Type I  | 
Procollagen-Lysine, 2-Oxoglutarate 5-Dioxygenase  | 
Procollagen-Proline Dioxygenase  | 
Procolobus use Colobus  | 
Proconvertin use Factor VII  | 
Proctitis  | 
Proctocolectomy, Restorative  | 
Proctocolitis  | 
Proctocolitis, Hemorrhagic use Proctocolitis  | 
Proctocolitis, Ulcerative use Proctocolitis  | 
Proctology use Colorectal Surgery  | 
Proctoscopes  | 
Proctoscopic Surgical Procedures use Proctoscopy  | 
Proctoscopy  | 
Proctosigmoiditis use Proctocolitis  | 
Proctosigmoidoscopy use Sigmoidoscopy  | 
Procyclidine  | 
Procyon use Raccoons  | 
Procyonidae  | 
Prodigiosin  | 
Prodigiozan  | 
Prodine use Alphaprodine  | 
Prodrugs  | 
Product Containers use Product Packaging  | 
Product Labeling  | 
Product Labeling, Drug use Drug Labeling  | 
Product Labeling, Food use Food Labeling  | 
Product Line Management  | 
Product Packaging  | 
Product Recycling use Equipment Reuse  | 
Product Release  | 
Product Storage  | 
Product Surveillance, Postmarketing  | 
Product Synthesis  | 
Product Withdrawl from Market  | 
Production of Products  | 
Production of Substances, Products and Materials  | 
Productivity use Efficiency  | 
Productivity, Organizational use Efficiency, Organizational  | 
Products Advertising Control use Products Publicity Control  | 
Products Arrest  | 
Products Commerce  | 
Products Commerce Suspension use Products Suspension  | 
Products Commercialization use Products Commerce  | 
Products Distribution  | 
Products Exportation use Exportation of Products  | 
Products Importation use Importation of Products  | 
Products Manufacturing Suspension use Products Suspension  | 
Products Production use Production of Products  | 
Products Promotion Control use Products Publicity Control  | 
Products Publicity Control  | 
Products Registration  | 
Products Registration Certificate  | 
Products Registration Certification use Products Registration Certificate  | 
Products Retention use Products Arrest  | 
Products Suspension  | 
Products Technology  | 
Products Transport  | 
Products Withdraw use Product Withdrawl from Market  | 
Products Withdrew from Market use Product Withdrawl from Market  | 
Products for Amateur Gardening use Gardening Products  | 
Products for Bath and Immersion  | 
Products for Bathing and Immersion use Products for Bath and Immersion  | 
Products for Beard  | 
Products for Eye Areas  | 
Products for Facial Makeup  | 
Products for Gardening use Gardening Products  | 
Products for Lips use Lip Products  | 
Products for Nails and Cuticles  | 
Products for Oral and Dental Hygiene use Oral and Dental Hygiene Products  | 
Products for Ornamental Plants use Gardening Products  | 
Products for Personal Hygiene use Personal Hygiene Products  | 
Products for Professional Use use Products of Institution Restricted Sale  | 
Products for SkinTanning use Skin Tannings  | 
Products of Confectionery use Foods of Confectionery  | 
Products of Consumer Direct Sale  | 
Products of Direct Sale to Consumer use Products of Consumer Direct Sale  | 
Products of Free Sale use Products of Consumer Direct Sale  | 
Products of Institution Restricted Sale  | 
Products of Non-Professional Use use Products of Consumer Direct Sale  | 
Products of Restricted Sale for Enterprises use Products of Institution Restricted Sale  | 
Products of Restricted Sale for Entities use Products of Institution Restricted Sale  | 
Products of Restricted Sale to Institution use Products of Institution Restricted Sale  | 
Products of Risk I use Risk Grade I  | 
Products of Risk II use Risk Grade II  | 
Products with Antimicrobial Action  | 
Proenzymes use Enzyme Precursors  | 
Proerythroblasts use Erythroblasts  | 
Proestrus  | 
Professional Activity Study use Commission on Professional and Hospital Activities  | 
Professional Agencies use Professional Associations  | 
Professional Associations  | 
Professional Autonomy  | 
Professional Clinic use Professional Practice  | 
Professional Competence  | 
Professional Corporations  | 
Professional Delegation use Delegation, Professional  | 
Professional Impairment  | 
Professional Liability use Liability, Legal  | 
Professional Misconduct  | 
Professional Practice  | 
Professional Practice Location  | 
Professional Review Organizations  | 
Professional Role  | 
Professional Staff Committees  | 
Professional Standards Review Organizations use Professional Review Organizations  | 
Professional Training  | 
Professional-Family Relations  | 
Professional-Patient Relations  | 
Professionals use Professional Associations  | 
Professions use Occupations  | 
Profibrinolysin use Plasminogen  | 
Profilins  | 
Proflavine  | 
Progastricsin use Pepsinogen C  | 
Progenitor B-Lymphocytes use Precursor Cells, B-Lymphoid  | 
Progenitor Cells use Stem Cells  | 
Progenitor Cells, Erythropoietic use Erythroid Progenitor Cells  | 
Progenitor Cells, Hematopoietic use Hematopoietic Stem Cells  | 
Progeria  | 
Progeria, Adult use Werner Syndrome  | 
Progeria-Like Syndrome use Cockayne Syndrome  | 
Progesterone  | 
Progesterone Congeners  | 
Progesterone Receptors use Receptors, Progesterone  | 
Progesterone Reductase  | 
Progesterone-Binding Globulin  | 
Progestin Receptors use Receptors, Progesterone  | 
Progestins  | 
Progestogens use Progestins  | 
Proglucagon  | 
Proglumide  | 
Prognathism  | 
Prognosis  | 
Prognostic Nutritional Index (PNI) use Nutrition Assessment  | 
Prognostic Observations use Clinical-Dynamic Prognosis  | 
Progonoma, Melanotic use Neuroectodermal Tumor, Melanotic  | 
Program Accreditation  | 
Program Development  | 
Program Efficiency use Efficiency, Organizational  | 
Program Evaluation  | 
Program Evaluation and Review Technique use Critical Path Method  | 
Program Evaluation, Nursing use Nursing Evaluation Research  | 
Program for Incentives and Benefits  | 
Program of Risk Prevention on Working Environment  | 
Programmable Implantable Insulin Pump use Insulin Infusion Systems  | 
Programmable Implantable Medication Systems use Infusion Pumps, Implantable  | 
Programmed Electrostimulation use Electrophysiologic Techniques, Cardiac  | 
Programmed Instruction  | 
Programmed Instruction as Topic  | 
Programmed Instruction, Computerized use Computer-Assisted Instruction  | 
Programmed Learning use Programmed Instruction as Topic  | 
Programming  | 
Programming Languages  | 
Programming, Linear  | 
Programs  | 
Programs as Topic use Programming  | 
Programs of Study  | 
Progranulocytic Leukemia use Leukemia, Promyelocytic, Acute  | 
Progression-Free Survival use Disease-Free Survival  | 
Progressive Interstitial Pneumonia of Sheep use Pneumonia, Progressive Interstitial, of Sheep  | 
Progressive Intracranial Occlusive Arteropathy (Moyamoya) use Moyamoya Disease  | 
Progressive Multifocal Leukoencephalopathy use Leukoencephalopathy, Progressive Multifocal  | 
Progressive Muscular Atrophy use Muscular Atrophy, Spinal  | 
Progressive Myoclonic Epilepsy, Lafora Type use Lafora Disease  | 
Progressive Nonfluent Aphasia use Aphasia, Primary Progressive  | 
Progressive Patient Care  | 
Progressive Supranuclear Ophthalmoplegia use Supranuclear Palsy, Progressive  | 
Progressive Torsion Spasm use Dystonia Musculorum Deformans  | 
Proguanil use Chloroguanide  | 
Prohibited Substances in Cosmetics use Additives in Cosmetics  | 
Prohibited Substances in Sanitizing use Additives in Sanitizing Products  | 
Prohormone Convertase, PC2 use Proprotein Convertase 2  | 
Prohormone Convertase, PC5 use Proprotein Convertase 5  | 
Prohormone Convertases use Proprotein Convertases  | 
Proinsulin  | 
Proinsulin C-Peptide use C-Peptide  | 
Project Analysis use Programming  | 
Project Evaluation use Program Evaluation  | 
Project Formulation  | 
Project Reports  | 
Projection  | 
Projections and Predictions use Forecasting  | 
Projective Techniques  | 
Projects  | 
Prokaryotic Cells  | 
Prokaryotic Initiation Factor-1  | 
Prokaryotic Initiation Factor-2  | 
Prokaryotic Initiation Factor-3  | 
Prokaryotic Initiation Factors  | 
Prolactin  | 
Prolactin Hypersecretion Syndrome use Hyperprolactinemia  | 
Prolactin Receptors use Receptors, Prolactin  | 
Prolactin Release-Inhibiting Factors  | 
Prolactin, Inappropriate Secretion use Hyperprolactinemia  | 
Prolactin-Releasing Hormone use Thyrotropin-Releasing Hormone  | 
Prolactinoma  | 
Prolapse  | 
Prolapsed Disk use Intervertebral Disk Displacement  | 
Proliferating Cell Nuclear Antigen  | 
Proline  | 
Proline Dehydrogenase use Proline Oxidase  | 
Proline Hydroxylase use Procollagen-Proline Dioxygenase  | 
Proline Oxidase  | 
Proline,2-Oxoglutarate 4-Dioxygenase use Procollagen-Proline Dioxygenase  | 
Proline-Directed Protein Kinases  | 
Proline-Specific tRNA use RNA, Transfer, Pro  | 
Prolonged Aeration Activated Sludges  | 
Prolonged-Action Preparations use Delayed-Action Preparations  | 
Prolyl Isomerase use Peptidylprolyl Isomerase  | 
Prolyl-Leucyl-Glycinamide use MSH Release-Inhibiting Hormone  | 
Prolymphocytic Leukemia use Leukemia, Prolymphocytic  | 
Promazine  | 
Promedol  | 
Promegestone  | 
Promestone use Promegestone  | 
Prometaphase  | 
Promethazine  | 
Promethium  | 
Prometryne  | 
Promoter (Genetics) use Promoter Regions (Genetics)  | 
Promoter Regions (Genetics)  | 
Promotion of Health use Health Promotion  | 
Promyelocytes use Granulocyte Precursor Cells  | 
Promyelocytic Leukemia, Acute use Leukemia, Promyelocytic, Acute  | 
Pronase  | 
Pronation  | 
Prone Position  | 
Pronormoblasts use Erythroblasts  | 
Pronuclear Stage Transfer use Zygote Intrafallopian Transfer  | 
Propafenone  | 
Propaganda  | 
Propane  | 
Propanedial use Malondialdehyde  | 
Propanediol Dehydratase  | 
Propanediols use Propylene Glycols  | 
Propanidid  | 
Propanil  | 
Propanol use 1-Propanol  | 
Propanolamines  | 
Propanolide use Propiolactone  | 
Propanols  | 
Propantheline  | 
Propellant Gas use Gas for Packing  | 
Propene Polymers use Polypropylenes  | 
Propenylacrylic Acid use Sorbic Acid  | 
Properdin  | 
Properdin Factor B use Complement Factor B  | 
Properdin Factor D use Complement Factor D  | 
Properdin Pathway use Complement Pathway, Alternative  | 
Prophage Excision use Virus Activation  | 
Prophage Induction use Virus Activation  | 
Prophage Integration use Lysogeny  | 
Prophages  | 
Prophase  | 
Propheniramine use Pheniramine  | 
Prophenpyridamine use Pheniramine  | 
Propidium  | 
Propilin use Fimbriae Proteins  | 
Propiodone use Propyliodone  | 
Propiolactone  | 
Propionates  | 
Propionibacteriaceae  | 
Propionibacterium  | 
Propionibacterium acnes  | 
Propionic Acids  | 
Propionigenium  | 
Propionyl-CoA Carboxylase use Methylmalonyl-CoA Decarboxylase  | 
Propiophenones  | 
Propitocaine use Prilocaine  | 
Proplast  | 
Propofol  | 
Propolis  | 
Proportional Hazards Models  | 
Propoxur  | 
Propoxycaine  | 
Propoxyprocaine use Propoxycaine  | 
Propranolol  | 
Proprietary Drug Name  | 
Proprietary Drug Names use Proprietary Drug Name  | 
Proprietary Name (Drug) use Proprietary Drug Name  | 
Proprioception  | 
Proprioceptive Disorders use Somatosensory Disorders  | 
Proprotein Convertase use Proprotein Convertases  | 
Proprotein Convertase 1  | 
Proprotein Convertase 2  | 
Proprotein Convertase 5  | 
Proprotein Convertases  | 
Proptosis use Exophthalmos  | 
Propyl Gallate  | 
Propyladiphenin use Proadifen  | 
Propylamine Transferase use Spermidine Synthase  | 
Propylamines  | 
Propylaminum  | 
Propylbenzilylcholine Mustard  | 
Propylene Glycol  | 
Propylene Glycols  | 
Propylene Polymers use Polypropylenes  | 
Propyliodone  | 
Propylthiouracil  | 
Proscillaridin  | 
Proscillaridin A use Proscillaridin  | 
Prosencephalon  | 
Prosimii use Strepsirhini  | 
Prosopagnosia  | 
Prosopis  | 
Prosoposibiography use Biopathographical History  | 
Prospective Payment Assessment Commission  | 
Prospective Payment System  | 
Prospective Pricing use Prospective Payment System  | 
Prospective Reimbursement use Prospective Payment System  | 
Prospective Studies  | 
Prospectuses  | 
Prospidin use Prospidium  | 
Prospidium  | 
Prostacyclin use Epoprostenol  | 
Prostacyclin Receptor use Receptors, Epoprostenol  | 
Prostaglandin A Analogs use Prostaglandins A, Synthetic  | 
Prostaglandin Analogs use Prostaglandins, Synthetic  | 
Prostaglandin Antagonists  | 
Prostaglandin D2  | 
Prostaglandin E Analogs use Prostaglandins E, Synthetic  | 
Prostaglandin E Receptors use Receptors, Prostaglandin E  | 
Prostaglandin E1 use Alprostadil  | 
Prostaglandin E2 use Dinoprostone  | 
Prostaglandin E2Alpha use Dinoprostone  | 
Prostaglandin Endoperoxide Analogs use Prostaglandin Endoperoxides, Synthetic  | 
Prostaglandin Endoperoxide Synthase Inhibitors use Cyclooxygenase Inhibitors  | 
Prostaglandin Endoperoxides  | 
Prostaglandin Endoperoxides, Synthetic  | 
Prostaglandin F Analogs use Prostaglandins F, Synthetic  | 
Prostaglandin F2 use Dinoprost  | 
Prostaglandin F2alpha use Dinoprost  | 
Prostaglandin H Synthase use Prostaglandin-Endoperoxide Synthases  | 
Prostaglandin H Synthase-1 use Cyclooxygenase 1  | 
Prostaglandin H2  | 
Prostaglandin H2 Receptor use Receptors, Thromboxane A2, Prostaglandin H2  | 
Prostaglandin I2 use Epoprostenol  | 
Prostaglandin Inhibitors use Prostaglandin Antagonists  | 
Prostaglandin Receptors use Receptors, Prostaglandin  | 
Prostaglandin Synthase use Prostaglandin-Endoperoxide Synthases  | 
Prostaglandin Synthase Inhibitors use Cyclooxygenase Inhibitors  | 
Prostaglandin Synthesis Antagonists use Cyclooxygenase Inhibitors  | 
Prostaglandin delta-13-Reductase use 15-Oxoprostaglandin 13-Reductase  | 
Prostaglandin-13,14-Reductase use 15-Oxoprostaglandin 13-Reductase  | 
Prostaglandin-Endoperoxide Synthase use Prostaglandin-Endoperoxide Synthases  | 
Prostaglandin-Endoperoxide Synthases  | 
Prostaglandins  | 
Prostaglandins A  | 
Prostaglandins A, Synthetic  | 
Prostaglandins B  | 
Prostaglandins D  | 
Prostaglandins E  | 
Prostaglandins E, Synthetic  | 
Prostaglandins F  | 
Prostaglandins F, Synthetic  | 
Prostaglandins G  | 
Prostaglandins H  | 
Prostaglandins I  | 
Prostaglandins, Synthetic  | 
Prostanoic Acids  | 
Prostate  | 
Prostate Cancer use Prostatic Neoplasms  | 
Prostate-Specific Antigen  | 
Prostatectomy  | 
Prostatectomy, Retropubic use Prostatectomy  | 
Prostatectomy, Suprapubic use Prostatectomy  | 
Prostatectomy, Transurethral use Transurethral Resection of Prostate  | 
Prostatic Adenoma use Prostatic Hyperplasia  | 
Prostatic Diseases  | 
Prostatic Hyperplasia  | 
Prostatic Hyperplasia, Benign use Prostatic Hyperplasia  | 
Prostatic Hypertrophy use Prostatic Hyperplasia  | 
Prostatic Hypertrophy, Benign use Prostatic Hyperplasia  | 
Prostatic Intraepithelial Neoplasia  | 
Prostatic Neoplasms  | 
Prostatic Secretory Proteins  | 
Prostatism  | 
Prostatitis  | 
Prostheses and Implants  | 
Prosthesis use Prostheses and Implants  | 
Prosthesis Coloring  | 
Prosthesis Design  | 
Prosthesis Failure  | 
Prosthesis Failure Analysis use Equipment Failure Analysis  | 
Prosthesis Fitting  | 
Prosthesis Implantation  | 
Prosthesis Loosening use Prosthesis Failure  | 
Prosthesis, Dental use Dental Prosthesis  | 
Prosthesis, Heart Valve use Heart Valve Prosthesis  | 
Prosthesis-Related Infections  | 
Prosthodontics  | 
Prostitution  | 
Protactinium  | 
Protamine Kinase  | 
Protamine Sulfate use Protamines  | 
Protamines  | 
Protea Plant use Proteaceae  | 
Proteaceae  | 
Protease Antagonists use Protease Inhibitors  | 
Protease Inhibitors  | 
Protease La  | 
Protease Ti use Endopeptidase Clp  | 
Protease-Activated Receptor 1 use Receptor, PAR-1  | 
Proteases use Peptide Hydrolases  | 
Proteasome Endopeptidase Complex  | 
Protected Areas  | 
Protected Sex use Safe Sex  | 
Protected Springs  | 
Protectin use Antigens, CD59  | 
Protection  | 
Protective Agents  | 
Protective Clothing  | 
Protective Devices  | 
Protective Gloves use Gloves, Protective  | 
Proteidae  | 
Protein A use Staphylococcal Protein A  | 
Protein Arginine Methyltransferase use Protein-Arginine N-Methyltransferase  | 
Protein Array Analysis  | 
Protein Binding  | 
Protein Biosynthesis  | 
Protein C  | 
Protein C Deficiency  | 
Protein C Inhibitor  | 
Protein Carbonylation  | 
Protein Carboxylmethyltransferase use Protein O-Methyltransferase  | 
Protein Chips use Protein Array Analysis  | 
Protein Coding Region use Open Reading Frames  | 
Protein Conformation  | 
Protein Conformation, alpha-Helical use Protein Structure, Secondary  | 
Protein Conformation, beta-Sheet use Protein Structure, Secondary  | 
Protein Conformation, beta-Strand use Protein Structure, Secondary  | 
Protein D-Aspartate-L-Isoaspartate Methyltransferase  | 
Protein Databases use Databases, Protein  | 
Protein Deficiency  | 
Protein Denaturation  | 
Protein Disulfide Isomerase use Protein Disulfide-Isomerase  | 
Protein Disulfide Reductase (Glutathione)  | 
Protein Disulfide-Isomerase  | 
Protein Domains use Protein Structure, Tertiary  | 
Protein Engineering  | 
Protein Fingerprinting use Peptide Mapping  | 
Protein Folding  | 
Protein Folding, Globular use Protein Folding  | 
Protein Foods use Foods for Persons Engaged in Physical Activities  | 
Protein Footprinting  | 
Protein Glycosylation use Glycosylation  | 
Protein Hybridization  | 
Protein Hydrolysates  | 
Protein Inhibitors of Activated STAT  | 
Protein Interaction Domains use Protein Interaction Domains and Motifs  | 
Protein Interaction Domains and Motifs  | 
Protein Interaction Mapping  | 
Protein Interaction Motifs use Protein Interaction Domains and Motifs  | 
Protein Introns use Inteins  | 
Protein Isoforms  | 
Protein Isoprenylation use Protein Prenylation  | 
Protein Kinase A use Cyclic AMP-Dependent Protein Kinases  | 
Protein Kinase A, Catalytic Subunits use Cyclic AMP-Dependent Protein Kinase Catalytic Subunits  | 
Protein Kinase A, RII alpha Subunit use Cyclic AMP-Dependent Protein Kinase RIIalpha Subunit  | 
Protein Kinase A, RII beta Subunit use Cyclic AMP-Dependent Protein Kinase RIIbeta Subunit  | 
Protein Kinase A, RIalpha Subunit use Cyclic AMP-Dependent Protein Kinase RIalpha Subunit  | 
Protein Kinase A, RIbeta Subunit use Cyclic AMP-Dependent Protein Kinase RIbeta Subunit  | 
Protein Kinase A, Type I use Cyclic AMP-Dependent Protein Kinase Type I  | 
Protein Kinase A, Type II use Cyclic AMP-Dependent Protein Kinase Type II  | 
Protein Kinase C  | 
Protein Kinase C-alpha  | 
Protein Kinase C-delta  | 
Protein Kinase C-epsilon  | 
Protein Kinase Inhibitors  | 
Protein Kinase PKR use eIF-2 Kinase  | 
Protein Kinase Type I, Cyclic AMP-Dependent use Cyclic AMP-Dependent Protein Kinase Type I  | 
Protein Kinase Type II, Cyclic AMP-Dependent use Cyclic AMP-Dependent Protein Kinase Type II  | 
Protein Kinase, RNA Activated use eIF-2 Kinase  | 
Protein Kinases  | 
Protein Lysine Methyltransferase use Histone-Lysine N-Methyltransferase  | 
Protein Malnutrition  | 
Protein Methylase I use Protein-Arginine N-Methyltransferase  | 
Protein Methylase II use Protein O-Methyltransferase  | 
Protein Methylase III use Histone-Lysine N-Methyltransferase  | 
Protein Methylases use Protein Methyltransferases  | 
Protein Methyltransferase I use Protein-Arginine N-Methyltransferase  | 
Protein Methyltransferase II use Protein O-Methyltransferase  | 
Protein Methyltransferase III use Histone-Lysine N-Methyltransferase  | 
Protein Methyltransferases  | 
Protein Microarrays use Protein Array Analysis  | 
Protein Microchips use Protein Array Analysis  | 
Protein Modification, Co-Translational use Protein Modification, Translational  | 
Protein Modification, Post-Translational use Protein Processing, Post-Translational  | 
Protein Modification, Translational  | 
Protein Motifs use Amino Acid Motifs  | 
Protein NMR Spectroscopy use Nuclear Magnetic Resonance, Biomolecular  | 
Protein O-Methyltransferase  | 
Protein Phosphatase 1  | 
Protein Phosphatase 2  | 
Protein Phosphatase-2B use Calcineurin  | 
Protein Phosphatases use Phosphoprotein Phosphatases  | 
Protein Precursors  | 
Protein Prenylation  | 
Protein Processing, Co-Translational use Protein Modification, Translational  | 
Protein Processing, Post-Translational  | 
Protein Processing, Translational use Protein Modification, Translational  | 
Protein Profiling Chips use Protein Array Analysis  | 
Protein Renaturation  | 
Protein Requirement  | 
Protein S  | 
Protein S Deficiency  | 
Protein Sequence Analysis use Sequence Analysis, Protein  | 
Protein Sequence Databases use Databases, Protein  | 
Protein Sorting Signals  | 
Protein Splicing  | 
Protein Structural Homology use Structural Homology, Protein  | 
Protein Structure, Primary use Amino Acid Sequence  | 
Protein Structure, Quaternary  | 
Protein Structure, Secondary  | 
Protein Structure, Supersecondary use Amino Acid Motifs  | 
Protein Structure, Tertiary  | 
Protein Subunits  | 
Protein Synthesis Antagonists use Protein Synthesis Inhibitors  | 
Protein Synthesis Inhibitors  | 
Protein Translocation use Protein Transport  | 
Protein Transport  | 
Protein Tyrosine Kinase p56(lck) use Lymphocyte Specific Protein Tyrosine Kinase p56(lck)  | 
Protein Tyrosine Phosphatase, Non-Receptor Type 1  | 
Protein Tyrosine Phosphatase, Non-Receptor Type 11  | 
Protein Tyrosine Phosphatase, Non-Receptor Type 12  | 
Protein Tyrosine Phosphatase, Non-Receptor Type 13  | 
Protein Tyrosine Phosphatase, Non-Receptor Type 2  | 
Protein Tyrosine Phosphatase, Non-Receptor Type 22  | 
Protein Tyrosine Phosphatase, Non-Receptor Type 3  | 
Protein Tyrosine Phosphatase, Non-Receptor Type 4  | 
Protein Tyrosine Phosphatase, Non-Receptor Type 6  | 
Protein Tyrosine Phosphatase, Receptor Type A use Receptor-Like Protein Tyrosine Phosphatases, Class 4  | 
Protein Tyrosine Phosphatase, Receptor Type B use Receptor-Like Protein Tyrosine Phosphatases, Class 3  | 
Protein Tyrosine Phosphatase, Receptor Type D use Receptor-Like Protein Tyrosine Phosphatases, Class 2  | 
Protein Tyrosine Phosphatase, Receptor Type E use Receptor-Like Protein Tyrosine Phosphatases, Class 4  | 
Protein Tyrosine Phosphatase, Receptor Type F use Receptor-Like Protein Tyrosine Phosphatases, Class 2  | 
Protein Tyrosine Phosphatase, Receptor Type G use Receptor-Like Protein Tyrosine Phosphatases, Class 5  | 
Protein Tyrosine Phosphatase, Receptor Type H use Receptor-Like Protein Tyrosine Phosphatases, Class 3  | 
Protein Tyrosine Phosphatase, Receptor Type J use Receptor-Like Protein Tyrosine Phosphatases, Class 3  | 
Protein Tyrosine Phosphatase, Receptor Type K use Receptor-Like Protein Tyrosine Phosphatases, Class 2  | 
Protein Tyrosine Phosphatase, Receptor Type M use Receptor-Like Protein Tyrosine Phosphatases, Class 2  | 
Protein Tyrosine Phosphatase, Receptor Type N use Receptor-Like Protein Tyrosine Phosphatases, Class 8  | 
Protein Tyrosine Phosphatase, Receptor Type O use Receptor-Like Protein Tyrosine Phosphatases, Class 3  | 
Protein Tyrosine Phosphatase, Receptor Type Q use Receptor-Like Protein Tyrosine Phosphatases, Class 3  | 
Protein Tyrosine Phosphatase, Receptor Type R use Receptor-Like Protein Tyrosine Phosphatases, Class 7  | 
Protein Tyrosine Phosphatase, Receptor Type S use Receptor-Like Protein Tyrosine Phosphatases, Class 2  | 
Protein Tyrosine Phosphatase, Receptor Type T use Receptor-Like Protein Tyrosine Phosphatases, Class 2  | 
Protein Tyrosine Phosphatase, Receptor Type U use Receptor-Like Protein Tyrosine Phosphatases, Class 2  | 
Protein Tyrosine Phosphatase, Receptor Type V use Receptor-Like Protein Tyrosine Phosphatases, Class 3  | 
Protein Tyrosine Phosphatase, Receptor Type Z use Receptor-Like Protein Tyrosine Phosphatases, Class 5  | 
Protein Tyrosine Phosphatase, Receptor Type, C use Antigens, CD45  | 
Protein Tyrosine Phosphatases  | 
Protein Tyrosine Phosphatases, Non-Receptor  | 
Protein p34cdc2 use CDC2 Protein Kinase  | 
Protein-Arginine N-Methyltransferase  | 
Protein-Binding Radioassay use Radioligand Assay  | 
Protein-Bound Iodine Test use Thyroid Function Tests  | 
Protein-Calorie Malnutrition use Protein-Energy Malnutrition  | 
Protein-D-Aspartate Methyltransferase use Protein D-Aspartate-L-Isoaspartate Methyltransferase  | 
Protein-Energy Malnutrition  | 
Protein-Free Media use Culture Media, Serum-Free  | 
Protein-Glutamine gamma-Glutamyltransferases use Transglutaminases  | 
Protein-L-Isoaspartate-D-Aspartate-O-Methyltransferase use Protein D-Aspartate-L-Isoaspartate Methyltransferase  | 
Protein-Losing Enteropathies  | 
Protein-Lysine 6-Oxidase  | 
Protein-Protein Interaction Map use Protein Interaction Mapping  | 
Protein-Restricted Diet use Diet, Protein-Restricted  | 
Protein-Serine-Threonine Kinases  | 
Protein-Tyrosine Kinase TRKC use Receptor, trkC  | 
Protein-Tyrosine Kinases  | 
Protein-Tyrosine Kinases, src use src-Family Kinases  | 
Protein-Tyrosine-Phosphatase use Protein Tyrosine Phosphatases  | 
Proteinase Activated Receptor 2 use Receptor, PAR-2  | 
Proteinase Inhibitory Peptides, Secretory use Proteinase Inhibitory Proteins, Secretory  | 
Proteinase Inhibitory Proteins, Secretory  | 
Proteinase K use Endopeptidase K  | 
Proteinases use Peptide Hydrolases  | 
Proteins  | 
Proteins, Acute-Phase use Acute-Phase Proteins  | 
Proteins, Dietary use Dietary Proteins  | 
Proteins, Immediate-Early use Immediate-Early Proteins  | 
Proteins, Mitochondrial use Mitochondrial Proteins  | 
Proteins, Ribosomal use Ribosomal Proteins  | 
Proteinuria  | 
Proteles use Hyaenidae  | 
Proteobacteria  | 
Proteochondroitin Sulfates  | 
Proteoglycans  | 
Proteolipid Protein, Myelin use Myelin Proteolipid Protein  | 
Proteolipids  | 
Proteolytic Enzymes use Peptide Hydrolases  | 
Proteome  | 
Proteomics  | 
Protestantism  | 
Proteus  | 
Proteus Infections  | 
Proteus Syndrome  | 
Proteus mirabilis  | 
Proteus penneri  | 
Proteus vulgaris  | 
Prothionamide  | 
Prothrombin  | 
Prothrombin Deficiency use Hypoprothrombinemias  | 
Prothrombin Time  | 
Protirelin use Thyrotropin-Releasing Hormone  | 
Protirelin Receptors use Receptors, Thyrotropin-Releasing Hormone  | 
Proto-Oncogene Protein HER-2 use Receptor, erbB-2  | 
Proto-Oncogene Protein Int-1 use Wnt1 Protein  | 
Proto-Oncogene Protein Wnt-1 use Wnt1 Protein  | 
Proto-Oncogene Protein Wnt-2 use Wnt2 Protein  | 
Proto-Oncogene Protein c-ets-1  | 
Proto-Oncogene Protein c-ets-2  | 
Proto-Oncogene Protein c-fli-1  | 
Proto-Oncogene Protein c-hck use Proto-Oncogene Proteins c-hck  | 
Proto-Oncogene Protein c-yes use Proto-Oncogene Proteins c-yes  | 
Proto-Oncogene Protein erbB-3 use Receptor, erbB-3  | 
Proto-Oncogene Protein ets-1 use Proto-Oncogene Protein c-ets-1  | 
Proto-Oncogene Protein ets-2 use Proto-Oncogene Protein c-ets-2  | 
Proto-Oncogene Protein fms use Receptor, Macrophage Colony-Stimulating Factor  | 
Proto-Oncogene Protein p185(neu) use Receptor, erbB-2  | 
Proto-Oncogene Protein p60(fyn) use Proto-Oncogene Proteins c-fyn  | 
Proto-Oncogene Protein trk use Receptor, trkA  | 
Proto-Oncogene Proteins  | 
Proto-Oncogene Proteins A-raf  | 
Proto-Oncogene Proteins B-raf  | 
Proto-Oncogene Proteins c-abl  | 
Proto-Oncogene Proteins c-akt  | 
Proto-Oncogene Proteins c-bcl-1 use Cyclin D1  | 
Proto-Oncogene Proteins c-bcl-2  | 
Proto-Oncogene Proteins c-bcl-6  | 
Proto-Oncogene Proteins c-bcr  | 
Proto-Oncogene Proteins c-cbl  | 
Proto-Oncogene Proteins c-crk  | 
Proto-Oncogene Proteins c-erbA use Thyroid Hormone Receptors alpha  | 
Proto-Oncogene Proteins c-ets  | 
Proto-Oncogene Proteins c-fes  | 
Proto-Oncogene Proteins c-fos  | 
Proto-Oncogene Proteins c-fyn  | 
Proto-Oncogene Proteins c-hck  | 
Proto-Oncogene Proteins c-jun  | 
Proto-Oncogene Proteins c-kit  | 
Proto-Oncogene Proteins c-maf  | 
Proto-Oncogene Proteins c-mdm2  | 
Proto-Oncogene Proteins c-met  | 
Proto-Oncogene Proteins c-mos  | 
Proto-Oncogene Proteins c-myb  | 
Proto-Oncogene Proteins c-myc  | 
Proto-Oncogene Proteins c-pim-1  | 
Proto-Oncogene Proteins c-raf  | 
Proto-Oncogene Proteins c-ras use Proto-Oncogene Proteins p21(ras)  | 
Proto-Oncogene Proteins c-rel  | 
Proto-Oncogene Proteins c-ret  | 
Proto-Oncogene Proteins c-sis  | 
Proto-Oncogene Proteins c-vav  | 
Proto-Oncogene Proteins c-yes  | 
Proto-Oncogene Proteins p21(ras)  | 
Proto-Oncogene Proteins pp60(c-src)  | 
Proto-Oncogenes  | 
Protocatechuate-3,4-Dioxygenase  | 
Protochlorophyllide  | 
Protochlorophyllide A use Protochlorophyllide  | 
Protocol Compliance use Guideline Adherence  | 
Protocol Drug Therapy, Computer-Assisted use Drug Therapy, Computer-Assisted  | 
Protocol Refugee  | 
Protocol-Directed Therapy, Computer-Assisted use Therapy, Computer-Assisted  | 
Protocollagen use Procollagen  | 
Protocollagen Lysyl Hydroxylase use Procollagen-Lysine, 2-Oxoglutarate 5-Dioxygenase  | 
Protocollagen Prolyl Hydroxylase use Procollagen-Proline Dioxygenase  | 
Protocols  | 
Protocols, Clinical use Clinical Protocols  | 
Protoheme use Heme  | 
Protomers use Protein Subunits  | 
Protomonas use Methylobacteriaceae  | 
Proton Pump Inhibitors  | 
Proton Pumps  | 
Proton-Induced X-Ray Emission Spectrometry use Spectrometry, X-Ray Emission  | 
Proton-Motive Force  | 
Proton-Phosphate Symporters  | 
Proton-Translocating ATPase use Proton-Translocating ATPases  | 
Proton-Translocating ATPase Complex use Proton-Translocating ATPases  | 
Proton-Translocating ATPase Complexes use Proton-Translocating ATPases  | 
Proton-Translocating ATPases  | 
Protons  | 
Protoplasm use Cytoplasm  | 
Protoplasmic Streaming use Cytoplasmic Streaming  | 
Protoplasts  | 
Protoporphyria, Erythropoietic  | 
Protoporphyrinogen Oxidase  | 
Protoporphyrins  | 
Protosteliomycetes use Myxomycetes  | 
Prototheca  | 
Protoveratrines  | 
Protoverin use Protoveratrines  | 
Protozoa  | 
Protozoal Infections, Central Nervous System use Central Nervous System Protozoal Infections  | 
Protozoan Antibodies use Antibodies, Protozoan  | 
Protozoan Antigens use Antigens, Protozoan  | 
Protozoan DNA use DNA, Protozoan  | 
Protozoan Genes use Genes, Protozoan  | 
Protozoan Genome use Genome, Protozoan  | 
Protozoan Infections  | 
Protozoan Infections, Animal  | 
Protozoan Proteins  | 
Protozoan RNA use RNA, Protozoan  | 
Protozoan Vaccines  | 
Protriptyline  | 
Protrusive Dome  | 
Proventriculus  | 
Proverbs use Aphorisms and Proverbs  | 
Providencia  | 
Provider-Sponsored Organizations  | 
Provincial Government use State Government  | 
Provirus Integration use Virus Integration  | 
Proviruses  | 
Provision use Supply  | 
Provisional Draft Bill use Draft Bill  | 
Provisional Measures  | 
Provocation Tests, Bronchial use Bronchial Provocation Tests  | 
Provocation Tests, Nasal use Nasal Provocation Tests  | 
Proxemics use Spatial Behavior  | 
Proximal Renal Tubular Dysfunction use Fanconi Syndrome  | 
Proxy  | 
Prune Belly Syndrome  | 
Prune, African use Pygeum  | 
Prunella  | 
Prunella vulgaris  | 
Prunus  | 
Prunus africana use Pygeum  | 
Prunus amygdalus use Amygdalae amarae Aqua  | 
Prunus armeniaca use Prunus  | 
Prunus domestica  | 
Prunus laurocerasus use Laurocerasus  | 
Prunus mahaleb  | 
Prunus padus  | 
Prunus persica use Amygdalus persica  | 
Prunus spinosa  | 
Prunus virginiana  | 
Prurigo  | 
Pruritus  | 
Pruritus Ani  | 
Pruritus Vulvae  | 
Prussian Blue Reaction  | 
Psacalium use Asteraceae  | 
Psalliota bispora use Agaricus campestris  | 
Psammomys use Gerbillinae  | 
Pseudallescheria  | 
Pseudalopex use Foxes  | 
Pseudarthrosis  | 
Pseudo-Hurler Polydystrophy use Mucolipidoses  | 
Pseudo-Obstruction, Intestinal use Intestinal Pseudo-Obstruction  | 
Pseudoakathisia use Akathisia, Drug-Induced  | 
Pseudoalteromonas  | 
Pseudoaneurysm use Aneurysm, False  | 
Pseudoaphakia use Cataract  | 
Pseudobulbar Palsy  | 
Pseudocholinesterase  | 
Pseudocoma use Coma  | 
Pseudocowpox virus  | 
Pseudocyesis use Pseudopregnancy  | 
Pseudodementia use Factitious Disorders  | 
Pseudodystonia use Dystonic Disorders  | 
Pseudoephedrine  | 
Pseudoexfoliation Syndrome use Exfoliation Syndrome  | 
Pseudogenes  | 
Pseudoglobulins use Serum Globulins  | 
Pseudogout use Chondrocalcinosis  | 
Pseudohermaphroditism  | 
Pseudohypoaldosteronism  | 
Pseudohypoparathyroidism  | 
Pseudolymphoma  | 
Pseudomelia use Phantom Limb  | 
Pseudomeningitis use Meningism  | 
Pseudomonadaceae  | 
Pseudomonas  | 
Pseudomonas Infections  | 
Pseudomonas Phages  | 
Pseudomonas Vaccines  | 
Pseudomonas acidovorans use Delftia acidovorans  | 
Pseudomonas aeruginosa  | 
Pseudomonas alcaligenes  | 
Pseudomonas cepacia use Burkholderia cepacia  | 
Pseudomonas fluorescens  | 
Pseudomonas fragi  | 
Pseudomonas mallei use Burkholderia mallei  | 
Pseudomonas mendocina  | 
Pseudomonas oleovorans  | 
Pseudomonas phage 7s use Leviviridae  | 
Pseudomonas phage PP7 use Levivirus  | 
Pseudomonas phage Pf1 use Bacteriophage Pf1  | 
Pseudomonas phage phi 6 use Bacteriophage phi 6  | 
Pseudomonas pseudoalcaligenes  | 
Pseudomonas pseudomallei use Burkholderia pseudomallei  | 
Pseudomonas putida  | 
Pseudomonas pyocyanea use Pseudomonas aeruginosa  | 
Pseudomonas stutzeri  | 
Pseudomonas syringae  | 
Pseudomonas testosteroni use Comamonas testosteroni  | 
Pseudomonic Acid use Mupirocin  | 
Pseudomyotonia use Isaacs Syndrome  | 
Pseudomyxoma Peritonei  | 
Pseudoneurotic Schizophrenia use Schizotypal Personality Disorder  | 
Pseudonyms use Anonyms and Pseudonyms  | 
Pseudopelade use Alopecia  | 
Pseudophakia  | 
Pseudopleuronectes use Flounder  | 
Pseudopodia  | 
Pseudopolyarthritis, Rhizomelic use Polymyalgia Rheumatica  | 
Pseudopregnancy  | 
Pseudopromoter (Genetics) use Promoter Regions (Genetics)  | 
Pseudopseudohypoparathyroidism  | 
Pseudopsychopathic Schizophrenia use Schizotypal Personality Disorder  | 
Pseudopsychosis use Factitious Disorders  | 
Pseudorabies  | 
Pseudorabies Vaccines  | 
Pseudorabies virus use Herpesvirus 1, Suid  | 
Pseudorotaxanes use Rotaxanes  | 
Pseudosclerosis use Hepatolenticular Degeneration  | 
Pseudotsuga  | 
Pseudotuberculosis, Pasteurella use Yersinia pseudotuberculosis Infections  | 
Pseudotumor Cerebri  | 
Pseudotumor, Inflammatory use Granuloma, Plasma Cell  | 
Pseudotumor, Inflammatory, Orbital use Granuloma, Plasma Cell, Orbital  | 
Pseudotumor, Inflammatory, Pulmonary use Granuloma, Plasma Cell, Pulmonary  | 
Pseudouridine  | 
Pseudowintera  | 
Pseudoxanthoma Elasticum  | 
Psidium  | 
Psilocybine  | 
Psittacidae use Parrots  | 
Psittaciformes  | 
Psittacines use Psittaciformes  | 
Psittacosis  | 
Psittacula  | 
Psoas Abscess  | 
Psoas Muscles  | 
Psora  | 
Psoralea  | 
Psoralea bituminosa  | 
Psoralen use Ficusin  | 
Psoralen Ultraviolet A Therapy use PUVA Therapy  | 
Psoralens  | 
Psoriasis  | 
Psoriasis Arthropathica use Arthritis, Psoriatic  | 
Psoriasis, Arthritic use Arthritis, Psoriatic  | 
Psoric Miasm use Psora  | 
Psorinum  | 
Psoroptes use Psoroptidae  | 
Psoroptes ovis use Psoroptidae  | 
Psoroptidae  | 
Psorospermum use Clusiaceae  | 
Psychedelic Agents use Hallucinogens  | 
Psychiatric Aides  | 
Psychiatric Department, Hospital  | 
Psychiatric Hospital Orderlies use Psychiatric Aides  | 
Psychiatric Nursing  | 
Psychiatric Social Work use Social Work, Psychiatric  | 
Psychiatric Somatic Therapies  | 
Psychiatric Status Rating Scales  | 
Psychiatric Ward Attendants use Psychiatric Aides  | 
Psychiatry  | 
Psychiatry, Biological use Biological Psychiatry  | 
Psychiatry, Community use Community Psychiatry  | 
Psychiatry, Geriatric use Geriatric Psychiatry  | 
Psychiatry, Military use Military Psychiatry  | 
Psychic Denial of Blindness use Blindness, Cortical  | 
Psychical Research use Parapsychology  | 
Psychoacoustics  | 
Psychoactive Agents use Psychotropic Drugs  | 
Psychoanalysis  | 
Psychoanalytic Interpretation  | 
Psychoanalytic Theory  | 
Psychoanalytic Therapy  | 
Psychobacter Infections use Moraxellaceae Infections  | 
Psychodidae  | 
Psychodinae use Psychodidae  | 
Psychodrama  | 
Psychogenetics use Genetics, Behavioral  | 
Psychogenic Headache use Tension-Type Headache  | 
Psychogeriatrics use Geriatric Psychiatry  | 
Psychoimmunology use Psychoneuroimmunology  | 
Psycholinguistics  | 
Psychological Extinction use Extinction, Psychological  | 
Psychological Feedback use Feedback, Psychological  | 
Psychological Phenomena and Processes  | 
Psychological Techniques  | 
Psychological Tests  | 
Psychological Theory  | 
Psychological Warfare  | 
Psychologists  | 
Psychology  | 
Psychology, Applied  | 
Psychology, Clinical  | 
Psychology, Comparative  | 
Psychology, Criminal use Criminal Psychology  | 
Psychology, Educational  | 
Psychology, Experimental  | 
Psychology, Health use Behavioral Medicine  | 
Psychology, Industrial  | 
Psychology, Medical  | 
Psychology, Military  | 
Psychology, Pastoral use Pastoral Care  | 
Psychology, Physiological use Psychophysiology  | 
Psychology, Schizophrenic use Schizophrenic Psychology  | 
Psychology, Self use Self Psychology  | 
Psychology, Social  | 
Psychometrics  | 
Psychomotor Agitation  | 
Psychomotor Disorders  | 
Psychomotor Impairment use Psychomotor Disorders  | 
Psychomotor Performance  | 
Psychoneuroimmunology  | 
Psychoneuroses use Neurotic Disorders  | 
Psychopathic Personality use Antisocial Personality Disorder  | 
Psychopathology  | 
Psychopharmaceuticals use Psychotropic Drugs  | 
Psychopharmacology  | 
Psychophysics  | 
Psychophysiologic Disorders  | 
Psychophysiology  | 
Psychoses use Psychotic Disorders  | 
Psychoses, Affective use Affective Disorders, Psychotic  | 
Psychoses, Alcoholic  | 
Psychoses, Drug use Psychoses, Substance-Induced  | 
Psychoses, Paranoid use Paranoid Disorders  | 
Psychoses, Substance-Induced  | 
Psychoses, Toxic use Psychoses, Substance-Induced  | 
Psychoses, Traumatic use Delirium, Dementia, Amnestic, Cognitive Disorders  | 
Psychosexual Development  | 
Psychosexual Disorders use Sexual Dysfunctions, Psychological  | 
Psychosexual Dysfunctions use Sexual Dysfunctions, Psychological  | 
Psychosine  | 
Psychosis, Brief Reactive use Psychotic Disorders  | 
Psychosis, Involutional use Depressive Disorder, Major  | 
Psychosis, Manic-Depressive use Bipolar Disorder  | 
Psychosocial Care Centers use Mental Health Services  | 
Psychosocial Deprivation  | 
Psychosocial Impact  | 
Psychosocial Support Systems use Social Support  | 
Psychosomatic Disorders use Psychophysiologic Disorders  | 
Psychosomatic Medicine  | 
Psychosurgery  | 
Psychotherapeutic Processes  | 
Psychotherapy  | 
Psychotherapy, Brief  | 
Psychotherapy, Cognitive use Cognitive Therapy  | 
Psychotherapy, Group  | 
Psychotherapy, Multiple  | 
Psychotherapy, Rational use Psychotherapy, Rational-Emotive  | 
Psychotherapy, Rational-Emotive  | 
Psychotic Disorders  | 
Psychotomimetic Agents use Hallucinogens  | 
Psychotria  | 
Psychotria ipecacuanha use Ipecacuanha  | 
Psychotropic Drugs  | 
Psychrobacter  | 
Psyllids use Hemiptera  | 
Psyllium  | 
Psylloidea use Hemiptera  | 
PtdIns use Phosphatidylinositols  | 
PtdIns 3-Kinase use 1-Phosphatidylinositol 3-Kinase  | 
PtdIns 4-Kinase use 1-Phosphatidylinositol 4-Kinase  | 
PtdInsP2 use Phosphatidylinositol 4,5-Diphosphate  | 
Ptelea trifoliata  | 
Pteridaceae  | 
Pteridines  | 
Pteridium  | 
Pteridophyta use Ferns  | 
Pterins  | 
Pteris  | 
Pterocarpans  | 
Pterocarpus  | 
Pteronura use Otters  | 
Pteropodidae use Chiroptera  | 
Pteropus use Chiroptera  | 
Pteroyl Polyglutamate Hydrolase use gamma-Glutamyl Hydrolase  | 
Pteroylglutamic Acid use Folic Acid  | 
Pteroylpolyglutamic Acids  | 
Pterygium  | 
Pterygoid Muscles  | 
Ptilocercus use Tupaiidae  | 
Ptosis, Eyelid use Blepharoptosis  | 
Ptychopetalum use Olacaceae  | 
PubMed  | 
Puberty  | 
Puberty, Delayed  | 
Puberty, Precocious  | 
Pubic Bone  | 
Pubic Symphysis  | 
Pubic Symphysis Diastasis  | 
Public Access to Information use Access to Information  | 
Public Administration  | 
Public Advocacy use Consumer Advocacy  | 
Public Advocacy (Health Law) use Public Defender Legal Services  | 
Public Assistance  | 
Public Attorneys  | 
Public Awareness  | 
Public Defender Legal Services  | 
Public Domain use Public Sector  | 
Public Enterprise use Public Sector  | 
Public Facilities  | 
Public Gardens use Green Areas  | 
Public Health  | 
Public Health Administration  | 
Public Health Dentistry  | 
Public Health Department, Hospital use Health Centers  | 
Public Health Informatics  | 
Public Health Laboratories use Public Health Laboratory Services  | 
Public Health Laboratory Services  | 
Public Health Law use Health Law  | 
Public Health Nursing  | 
Public Health Population Studies use Population Studies in Public Health  | 
Public Health Practice  | 
Public Health Schools use Schools, Public Health  | 
Public Health Service (U.S.) use United States Public Health Service  | 
Public Health Services, Laboratory use Public Health Laboratory Services  | 
Public Health Students use Students, Public Health  | 
Public Health Surveillance use Population Surveillance  | 
Public Housing  | 
Public Information  | 
Public Law 101-508 use Patient Self-Determination Act  | 
Public Law 104-191 use Health Insurance Portability and Accountability Act  | 
Public Law 93-406 use Employee Retirement Income Security Act  | 
Public Law 93-579 use Privacy  | 
Public Law 97-248 use Tax Equity and Fiscal Responsibility Act  | 
Public Legal Aid use Public Defender Legal Services  | 
Public Opinion  | 
Public Perception of Science  | 
Public Policies  | 
Public Policy  | 
Public Power  | 
Public Prosecutors use Public Attorneys  | 
Public Relations  | 
Public Sector  | 
Public Speaking use Speech  | 
Public Standposts  | 
Public Water Consumption  | 
Public Water Supply use Water Supply  | 
Public Works  | 
Public-Private Partnership  | 
Publication Bias  | 
Publication Components  | 
Publication Formats  | 
Publications  | 
Publications for Science Diffusion  | 
Publicity Regulation use Products Publicity Control  | 
Published Erratum  | 
Publishers' Catalogs use Catalogs, Publishers'  | 
Publishing  | 
Publishing, Dental Periodicals use Journalism, Dental  | 
Publishing, Electronic use Publishing  | 
Puccoon use Lithospermum  | 
Pueraria  | 
Puericulture use Child Care  | 
Puerperal Disorders  | 
Puerperal Infection  | 
Puerperium use Postpartum Period  | 
Puerto Ricans use Hispanic Americans  | 
Puerto Rico  | 
Pufferfish use Tetraodontiformes  | 
Puka puka use Brachyglottis repens  | 
Pulegium vulgare use Mentha pulegium  | 
Pulex irritans  | 
Pulicaria  | 
Pulmo anaphylacticus  | 
Pulmo vulpis  | 
Pulmonaria  | 
Pulmonaria vulgaris  | 
Pulmonary Adenomatosis use Adenomatosis, Pulmonary  | 
Pulmonary Adenomatosis, Bovine use Pneumonia, Atypical Interstitial, of Cattle  | 
Pulmonary Adenomatosis, Ovine  | 
Pulmonary Alveolar Proteinosis  | 
Pulmonary Alveoli  | 
Pulmonary Artery  | 
Pulmonary Artery Wedge Pressure use Pulmonary Wedge Pressure  | 
Pulmonary Atresia  | 
Pulmonary Blastoma  | 
Pulmonary Cancer use Lung Neoplasms  | 
Pulmonary Capillary Wedge Pressure use Pulmonary Wedge Pressure  | 
Pulmonary Circulation  | 
Pulmonary Coin Lesion use Coin Lesion, Pulmonary  | 
Pulmonary Diffusing Capacity  | 
Pulmonary Disease (Specialty)  | 
Pulmonary Disease, Chronic Obstructive  | 
Pulmonary Diseases use Lung Diseases  | 
Pulmonary Edema  | 
Pulmonary Embolism  | 
Pulmonary Emphysema  | 
Pulmonary Eosinophilia  | 
Pulmonary Fibrosis  | 
Pulmonary Function Tests use Respiratory Function Tests  | 
Pulmonary Gas Exchange  | 
Pulmonary Heart Disease  | 
Pulmonary Hypertension use Hypertension, Pulmonary  | 
Pulmonary Infarction  | 
Pulmonary Inflammation use Pneumonia  | 
Pulmonary Infundibular Stenosis use Pulmonary Subvalvular Stenosis  | 
Pulmonary Macrophages use Macrophages, Alveolar  | 
Pulmonary Medicine use Pulmonary Disease (Specialty)  | 
Pulmonary Neoplasms use Lung Neoplasms  | 
Pulmonary Nodule, Solitary use Coin Lesion, Pulmonary  | 
Pulmonary Regurgitation use Pulmonary Valve Insufficiency  | 
Pulmonary Sarcoidosis use Sarcoidosis, Pulmonary  | 
Pulmonary Sclerosing Hemangioma  | 
Pulmonary Sequestration use Bronchopulmonary Sequestration  | 
Pulmonary Stenosis use Pulmonary Valve Stenosis  | 
Pulmonary Stretch Receptors  | 
Pulmonary Subvalvular Stenosis  | 
Pulmonary Surfactant-Associated Protein A  | 
Pulmonary Surfactant-Associated Protein B  | 
Pulmonary Surfactant-Associated Protein C  | 
Pulmonary Surfactant-Associated Protein D  | 
Pulmonary Surfactant-Associated Protein SP-B use Pulmonary Surfactant-Associated Protein B  | 
Pulmonary Surfactant-Associated Protein SP-C use Pulmonary Surfactant-Associated Protein C  | 
Pulmonary Surfactant-Associated Proteins  | 
Pulmonary Surfactants  | 
Pulmonary Surgical Procedures  | 
Pulmonary Thromboembolism use Pulmonary Embolism  | 
Pulmonary Valve  | 
Pulmonary Valve Atresia use Pulmonary Atresia  | 
Pulmonary Valve Incompetence use Pulmonary Valve Insufficiency  | 
Pulmonary Valve Insufficiency  | 
Pulmonary Valve Stenosis  | 
Pulmonary Veins  | 
Pulmonary Veno-Occlusive Disease  | 
Pulmonary Venous Wedge Pressure use Pulmonary Wedge Pressure  | 
Pulmonary Ventilation  | 
Pulmonary Wedge Pressure  | 
Pulmonic Plague use Plague  | 
Pulmonology use Pulmonary Disease (Specialty)  | 
Pulp Canal use Dental Pulp Cavity  | 
Pulp Capping use Dental Pulp Capping  | 
Pulp Chamber use Dental Pulp Cavity  | 
Pulp Gangrene use Dental Pulp Necrosis  | 
Pulp Necrosis use Dental Pulp Necrosis  | 
Pulp and Paper Industry  | 
Pulpa Dentis use Dental Pulp  | 
Pulpectomy  | 
Pulpitis  | 
Pulpotomy  | 
Pulsatile Flow  | 
Pulsatile Tinnitus use Tinnitus  | 
Pulsatilla  | 
Pulsatilla nigricans  | 
Pulsatilla nuttalliana  | 
Pulsatilla pratensis use Pulsatilla nigricans  | 
Pulse  | 
Pulse Oximetry use Oximetry  | 
Pulse Radiolysis  | 
Pulse Rate use Heart Rate  | 
Pulse Therapy, Drug  | 
Pulsed Dye Lasers use Lasers, Dye  | 
Pulseless Disease use Takayasu Arteritis  | 
Pulverization use Grinding  | 
Pulvinar  | 
Pulvinus  | 
Puma  | 
Puma concolor use Puma  | 
Puma lentivirus use Immunodeficiency Virus, Feline  | 
Pummelo Tree use Citrus  | 
Pumping Stations  | 
Pumping, Intra-Aortic Balloon use Intra-Aortic Balloon Pumping  | 
Pumpkins use Cucurbita  | 
Pumps  | 
Pumps, Heart-Assist use Heart-Assist Devices  | 
Pumps, Infusion use Infusion Pumps  | 
Punched-Card Systems  | 
Punctual Source use Point Source  | 
Puncture Biopsy use Biopsy, Needle  | 
Puncture Vine use Tribulus  | 
Punctures  | 
Punicaceae  | 
Punishment  | 
Punna use Calophyllum  | 
Pupa  | 
Pupfishes use Killifishes  | 
Pupil  | 
Pupil Disorders  | 
Pupil Nurses use Students, Nursing  | 
Pupil Reaction Absent use Pupil Disorders  | 
Pupil, Tonic use Tonic Pupil  | 
Pupillary Functions, Abnormal use Pupil Disorders  | 
Pupillary Miosis use Miosis  | 
Puppet Children use Angelman Syndrome  | 
Puppets use Play and Playthings  | 
Purchase, Dental Practice use Practice Valuation and Purchase  | 
Purchase, Medical Practice use Practice Valuation and Purchase  | 
Purchasing, Hospital  | 
Pure Agraphia use Agraphia  | 
Pure Alexia use Alexia, Pure  | 
Pure Oxygen Activated Sludges  | 
Pure Red-Cell Aplasia use Red-Cell Aplasia, Pure  | 
Pure Water  | 
Purgatives use Cathartics  | 
Purification Potentiality use Analysis of Treatability  | 
Purified Water with Added Salts  | 
Purified Water with Salt Addition use Purified Water with Added Salts  | 
Purine Nucleosides  | 
Purine Nucleotides  | 
Purine Receptors use Receptors, Purinergic  | 
Purine-Nucleoside Phosphorylase  | 
Purine-Pyrimidine Metabolism, Inborn Errors  | 
Purinergic P1 Receptors use Receptors, Purinergic P1  | 
Purinergic P2 Receptors use Receptors, Purinergic P2  | 
Purinergic Receptors use Receptors, Purinergic  | 
Purines  | 
Purinoceptors use Receptors, Purinergic  | 
Purinones  | 
Purkinje Cells  | 
Purkinje Fibers  | 
Purkinje-Type Calcium Channels use Calcium Channels, P-Type  | 
Puromycin  | 
Puromycin Aminonucleoside  | 
Purple Bacteria use Proteobacteria  | 
Purple Membrane  | 
Purple Nonsulfur Bacteria use Rhodospirillaceae  | 
Purple Sulfur Bacteria use Chromatiaceae  | 
Purpura  | 
Purpura Fulminans use Purpura, Schoenlein-Henoch  | 
Purpura Fulminans (Waterhouse-Friderichsen Syndrome) use Waterhouse-Friderichsen Syndrome  | 
Purpura Hemorrhagica use Purpura, Schoenlein-Henoch  | 
Purpura, Hyperglobulinemic  | 
Purpura, Nonthrombocytopenic use Purpura, Schoenlein-Henoch  | 
Purpura, Schoenlein-Henoch  | 
Purpura, Thrombocytopenic  | 
Purpura, Thrombocytopenic, Autoimmune use Purpura, Thrombocytopenic, Idiopathic  | 
Purpura, Thrombocytopenic, Idiopathic  | 
Purpura, Thrombopenic use Purpura, Thrombocytopenic  | 
Purpura, Thrombotic Thrombocytopenic  | 
Purpura, Thrombotic Thrombopenic use Purpura, Thrombotic Thrombocytopenic  | 
Purslane use Portulaca  | 
Pursuit, Saccadic use Saccades  | 
Pursuit, Smooth  | 
Pus use Suppuration  | 
Pushkarmoola use Inula  | 
Pushkarmula use Inula  | 
Pustulants use Irritants  | 
Pustular Dermatosis, Subcorneal use Skin Diseases, Vesiculobullous  | 
Pustular Psoriasis of Palms and Soles use Psoriasis  | 
Pustulosis Palmaris et Plantaris use Psoriasis  | 
Pustulosis of Palms and Soles use Psoriasis  | 
Putamen  | 
Putaminal Hemorrhage  | 
Putrefaction use Biodegradation, Environmental  | 
Putrescine  | 
Puumala virus  | 
Pyelitis  | 
Pyelocystitis  | 
Pyelography use Urography  | 
Pyelonephritis  | 
Pyelonephritis, Acute Necrotizing use Pyelonephritis  | 
Pyelonephritis, Xanthogranulomatous  | 
Pygathrix use Cercopithecidae  | 
Pygeum  | 
Pygmy Chimpanzee use Pan paniscus  | 
Pygmy Killer Whale use Dolphins  | 
Pygmy Right Whale use Whales  | 
Pygmy Sperm Whale use Whales  | 
Pyknolepsy use Epilepsy, Absence  | 
Pyloric Antrum  | 
Pyloric Glands use Gastric Mucosa  | 
Pyloric Stenosis  | 
Pyloric Stenosis, Hypertrophic  | 
Pylorus  | 
Pyocins  | 
Pyocyanine  | 
Pyoderma  | 
Pyoderma Gangrenosum  | 
Pyomyositis  | 
Pyonephrosis  | 
Pyorrhea Alveolaris use Periodontal Diseases  | 
Pyothorax use Empyema, Pleural  | 
Pyracantha  | 
Pyramidal Cells  | 
Pyramidal Tracts  | 
Pyran Copolymer  | 
Pyranisamine use Pyrilamine  | 
Pyranocoumarins  | 
Pyrans  | 
Pyrantel  | 
Pyrantel Embonate use Pyrantel Pamoate  | 
Pyrantel Pamoate  | 
Pyrantel Tartrate  | 
Pyrarara  | 
Pyrazinamide  | 
Pyrazines  | 
Pyrazinopyrimidines use Pteridines  | 
Pyrazoles  | 
Pyrazolones  | 
Pyrenes  | 
Pyrethrins  | 
Pyrethrum use Chrysanthemum cinerariifolium  | 
Pyrethrum officinarum  | 
Pyrethrum parthenium  | 
Pyrethrum roseum  | 
Pyrethum Daisy use Chrysanthemum cinerariifolium  | 
Pyrexia use Fever  | 
Pyrexial Seizure use Seizures, Febrile  | 
Pyricarbate use Pyridinolcarbamate  | 
Pyridazines  | 
Pyridine Aldoxime Methyl Compounds use Pralidoxime Compounds  | 
Pyridine Nucleotide Transhydrogenase use NADP Transhydrogenase  | 
Pyridines  | 
Pyridinium Compounds  | 
Pyridinolcarbamate  | 
Pyridinones use Pyridones  | 
Pyridones  | 
Pyridostigmine Bromide  | 
Pyridoxal  | 
Pyridoxal Kinase  | 
Pyridoxal Phosphate  | 
Pyridoxamine  | 
Pyridoxamine Kinase use Pyridoxal Kinase  | 
Pyridoxaminephosphate Oxidase  | 
Pyridoxic Acid  | 
Pyridoxine  | 
Pyridoxine Deficiency use Vitamin B 6 Deficiency  | 
Pyridoxine Kinase use Pyridoxal Kinase  | 
Pyridoxinecarboxylic Acid use Pyridoxic Acid  | 
Pyridoxinedisulfide use Pyrithioxin  | 
Pyridoxinephosphate Oxidase use Pyridoxaminephosphate Oxidase  | 
Pyridylcarbinol use Nicotinyl Alcohol  | 
Pyrilamine  | 
Pyrimethamine  | 
Pyrimidine 5'-Nucleotidase use 5'-Nucleotidase  | 
Pyrimidine Dimers  | 
Pyrimidine Nucleosides  | 
Pyrimidine Nucleotides  | 
Pyrimidine Phosphorylase use Thymidine Phosphorylase  | 
Pyrimidines  | 
Pyrimidinones  | 
Pyrimidones use Pyrimidinones  | 
Pyrithiamine  | 
Pyrithioxin  | 
Pyritinol use Pyrithioxin  | 
Pyrobaculum  | 
Pyrocarbonic Acid Diethyl Ester use Diethyl Pyrocarbonate  | 
Pyrocatechols use Catechols  | 
Pyroclastic Flow  | 
Pyroclastic Material  | 
Pyrococcus  | 
Pyrococcus abyssi  | 
Pyrococcus furiosus  | 
Pyrococcus horikoshii  | 
Pyrodictiaceae  | 
Pyrodictium use Pyrodictiaceae  | 
Pyrogallol  | 
Pyrogenium  | 
Pyrogens  | 
Pyroglobulins  | 
Pyroglutamate Aminopeptidase use Pyroglutamyl-Peptidase I  | 
Pyroglutamate Hydrolase  | 
Pyroglutamic Acid use Pyrrolidonecarboxylic Acid  | 
Pyroglutamyl-Peptidase I  | 
Pyroglyphidae  | 
Pyrola  | 
Pyrola rotundifolia  | 
Pyrolaceae  | 
Pyrolignosum Acidum  | 
Pyrolobus use Pyrodictiaceae  | 
Pyrolysis  | 
Pyromania use Firesetting Behavior  | 
Pyrones  | 
Pyronine  | 
Pyrophoric Materials  | 
Pyrophosphatase, Inorganic use Inorganic Pyrophosphatase  | 
Pyrophosphatases  | 
Pyrophosphates use Diphosphates  | 
Pyrophosphokinases use Diphosphotransferases  | 
Pyrophosphoric Acids use Phosphoric Acids  | 
Pyrophosphotransferases use Diphosphotransferases  | 
Pyrosis use Heartburn  | 
Pyrrolamidol use Dextromoramide  | 
Pyrroles  | 
Pyrrolidines  | 
Pyrrolidinomethyltetracycline use Rolitetracycline  | 
Pyrrolidinones  | 
Pyrrolidonecarboxylate Peptidase use Pyroglutamyl-Peptidase I  | 
Pyrrolidonecarboxylic Acid  | 
Pyrrolidones use Pyrrolidinones  | 
Pyrrolidonyl Peptidase use Pyroglutamyl-Peptidase I  | 
Pyrroline Carboxylate Reductases  | 
Pyrrolizidine Alkaloids  | 
Pyrrolnitrin  | 
Pyrroloiminoquinones  | 
Pyrrovinyquinium use Pyrvinium Compounds  | 
Pyrularia  | 
Pyrus  | 
Pyrus americanus  | 
Pyrus germanica use Mespillus germanica  | 
Pyruvaldehyde  | 
Pyruvate use Pyruvic Acid  | 
Pyruvate Carboxylase  | 
Pyruvate Carboxylase Deficiency Disease  | 
Pyruvate Decarboxylase  | 
Pyruvate Dehydrogenase (Lipoamide)  | 
Pyruvate Dehydrogenase (Lipoamide)-Phosphatase  | 
Pyruvate Dehydrogenase Complex  | 
Pyruvate Dehydrogenase Complex Deficiency Disease  | 
Pyruvate Dehydrogenase Phosphatase use Pyruvate Dehydrogenase (Lipoamide)-Phosphatase  | 
Pyruvate Kinase  | 
Pyruvate Metabolism, Inborn Errors  | 
Pyruvate Oxidase  | 
Pyruvate Synthase  | 
Pyruvate, Orthophosphate Dikinase  | 
Pyruvate, Phosphate Dikinase use Pyruvate, Orthophosphate Dikinase  | 
Pyruvates  | 
Pyruvic Acid  | 
Pyruvic Decarboxylase use Pyruvate Decarboxylase  | 
Pyrvinium Compounds  | 
Pythium  | 
Python use Boidae  | 
Pyuria  | 
p Wave  | 
p-ANCA use Antibodies, Antineutrophil Cytoplasmic  | 
p-Aminoazobenzene  | 
p-Aminobenzoic Acid use 4-Aminobenzoic Acid  | 
p-Aminohippuric Acid  | 
p-Aminosalicylic Acid  | 
p-Azobenzenearsonate  | 
p-Bromdylamine use Brompheniramine  | 
p-Chloramphetamine use p-Chloroamphetamine  | 
p-Chloroamphetamine  | 
p-Chloromercuribenzoic Acid  | 
p-Chlorophenylalanine use Fenclonine  | 
p-Dihydroxybenzenes use Hydroquinones  | 
p-Dimethylaminoazobenzene  | 
p-Fluorophenylalanine  | 
p-Hydroxyamphetamine  | 
p-Hydroxybenzoate Hydroxylase use 4-Hydroxybenzoate-3-Monooxygenase  | 
p-Hydroxynorephedrine  | 
p-Hydroxyphenylpyruvate Hydroxylase use 4-Hydroxyphenylpyruvate Dioxygenase  | 
p-Hydroxyphenylpyruvate Oxidase use 4-Hydroxyphenylpyruvate Dioxygenase  | 
p-Methoxy-N-methylphenethylamine  | 
p-Octopamine use Octopamine  | 
p100-GAP Protein use p120 GTPase Activating Protein  | 
p105-Rb Protein use Retinoblastoma Protein  | 
p120 GTPase Activating Protein  | 
p120-GAP Protein use p120 GTPase Activating Protein  | 
p125-GAP Protein use p120 GTPase Activating Protein  | 
p145(c-kit) use Proto-Oncogene Proteins c-kit  | 
p14ARF Protein use Tumor Suppressor Protein p14ARF  | 
p150,95 Antigen use Integrin alphaXbeta2  | 
p16 Genes use Genes, p16  | 
p16INK4 Genes use Genes, p16  | 
p21 cdc42 use cdc42 GTP-Binding Protein  | 
p21(N-ras) use Proto-Oncogene Proteins p21(ras)  | 
p21(c-Ha-ras) use Proto-Oncogene Proteins p21(ras)  | 
p21(c-Ki-ras) use Proto-Oncogene Proteins p21(ras)  | 
p21(c-ras) use Proto-Oncogene Proteins p21(ras)  | 
p21(ras) use Proto-Oncogene Proteins p21(ras)  | 
p21(v-Ha-ras) use Oncogene Protein p21(ras)  | 
p21(v-Ki-ras) use Oncogene Protein p21(ras)  | 
p21-Activated Kinases  | 
p24(HIV) use HIV Core Protein p24  | 
p27(rex) use Gene Products, rex  | 
p28(v-sis) use Oncogene Proteins v-sis  | 
p300-CBP Transcription Factors  | 
p34cdc2 Protein use CDC2 Protein Kinase  | 
p37(v-mos) use Oncogene Proteins v-mos  | 
p38 Mitogen-Activated Protein Kinases  | 
p39(c-jun) use Proto-Oncogene Proteins c-jun  | 
p40(tax) use Gene Products, tax  | 
p41 MAPK use Mitogen-Activated Protein Kinase 1  | 
p42 MAP Kinase use Mitogen-Activated Protein Kinase 1  | 
p42 MAPK use Mitogen-Activated Protein Kinase 1  | 
p42(Mitogen-Activated Protein Kinase) use Mitogen-Activated Protein Kinase 1  | 
p48(v-myb) use Oncogene Proteins v-myb  | 
p53 Genes use Genes, p53  | 
p53 Tumor Suppressor Protein use Tumor Suppressor Protein p53  | 
p55(c-fos) use Proto-Oncogene Proteins c-fos  | 
p55(v-fos) use Oncogene Proteins v-fos  | 
p55(v-myc) use Oncogene Protein p55(v-myc)  | 
p56 lck use Lymphocyte Specific Protein Tyrosine Kinase p56(lck)  | 
p56cdc13 use Cyclin B  | 
p62(c-myc) use Proto-Oncogene Proteins c-myc  | 
p65(gag-jun) use Oncogene Protein p65(gag-jun)  | 
p68 Kinase use eIF-2 Kinase  | 
p68(c-rel) use Proto-Oncogene Proteins c-rel  | 
p70 S6 Kinase use Ribosomal Protein S6 Kinases, 70-kDa  | 
p70s6k use Ribosomal Protein S6 Kinases, 70-kDa  | 
p75(gag-fos-fox) use Oncogene Proteins v-fos  | 
p85(gag-mos) use Oncogene Proteins v-mos  | 
pH use Hydrogen-Ion Concentration  | 
pH Diminution use Acidification  | 
pH Increase use Alkalinization  | 
pH Reduction use Acidification  | 
pH gradient use Proton-Motive Force  | 
pMorgan-Gaertner Bacillus use Bacillus Morgan Gaertner  | 
pX Genes use Genes, pX  | 
parC Protein use DNA Topoisomerase IV  | 
parE Protein use DNA Topoisomerase IV  | 
para-Aminoazobenzene use p-Aminoazobenzene  | 
para-Aminobenzoic Acid use 4-Aminobenzoic Acid  | 
para-Aminohippuric Acid use p-Aminohippuric Acid  | 
para-Aminosalicylic Acid use p-Aminosalicylic Acid  | 
para-Azobenzenearsonate use p-Azobenzenearsonate  | 
para-Bromdylamine use Brompheniramine  | 
para-Chloroamphetamine use p-Chloroamphetamine  | 
para-Chlorophenylalanine use Fenclonine  | 
para-Dihydroxybenzenes use Hydroquinones  | 
para-Fluorophenylalanine use p-Fluorophenylalanine  | 
para-Hydroxyamphetamine use p-Hydroxyamphetamine  | 
para-Hydroxybenzoate Hydroxylase use 4-Hydroxybenzoate-3-Monooxygenase  | 
para-Hydroxybenzoic Acids use Parabens  | 
para-Hydroxynorephedrine use p-Hydroxynorephedrine  | 
para-Hydroxyphenylpyruvate Hydroxylase use 4-Hydroxyphenylpyruvate Dioxygenase  | 
para-Hydroxyphenylpyruvate Oxidase use 4-Hydroxyphenylpyruvate Dioxygenase  | 
para-Octopamine use Octopamine  | 
phi 6 Phage use Bacteriophage phi 6  | 
phi X 174 Phage use Bacteriophage phi X 174  | 
pi-Mesons use Mesons  | 
pim-1 Proto-Oncogene Protein use Proto-Oncogene Proteins c-pim-1  | 
pol Gene Products use Gene Products, pol  | 
pol Gene Products, Human Immunodeficiency Virus  | 
pol Genes use Genes, pol  | 
pol Polyproteins use Gene Products, pol  | 
pol Protein use Gene Products, pol  | 
pp39(c-mos) use Proto-Oncogene Proteins c-mos  | 
pp59(v-rel) use Oncogene Proteins v-rel  | 
pp60(c-src) use Proto-Oncogene Proteins pp60(c-src)  | 
pp60(v-src) use Oncogene Protein pp60(v-src)  |