| F Factor               | 
              | F(1)F(0)-ATPase use Proton-Translocating ATPases               | 
              | F-2 Toxin use Zearalenone               | 
              | F-Actin use Actins               | 
              | F-Box Motifs               | 
              | F-Box Proteins               | 
              | F-Met-Leu-Phe use N-Formylmethionine Leucyl-Phenylalanine               | 
              | F1 ATPase use Proton-Translocating ATPases               | 
              | F2-Isoprostanes               | 
              | Fab Fragments use Immunoglobulin Fab Fragments               | 
              | Faba Bean use Vicia faba               | 
              | Fabaceae               | 
              | Fabavirus               | 
              | Fabiana imbricata               | 
              | Fabry Disease               | 
              | Face               | 
              | Face Bow, Orthodontic use Extraoral Traction Appliances               | 
              | Face Correctors use Products for Facial Makeup               | 
              | Face Fly use Muscidae               | 
              | Face Lift use Rhytidoplasty               | 
              | Facet Joint use Zygapophyseal Joint               | 
              | Facial Asymmetry               | 
              | Facial Bones               | 
              | Facial Dermatoses               | 
              | Facial Expression               | 
              | Facial Hemiatrophy               | 
              | Facial Injuries               | 
              | Facial Masks               | 
              | Facial Muscles               | 
              | Facial Myokymia use Facial Nerve Diseases               | 
              | Facial Neoplasms               | 
              | Facial Nerve               | 
              | Facial Nerve Diseases               | 
              | Facial Nerve Injuries               | 
              | Facial Nerve Trauma use Facial Nerve Injuries               | 
              | Facial Neuralgia               | 
              | Facial Neuropathy use Facial Nerve Diseases               | 
              | Facial Neuropathy, Inflammatory, Acute use Bell Palsy               | 
              | Facial Neuropathy, Traumatic use Facial Nerve Injuries               | 
              | Facial Pain               | 
              | Facial Pain Syndromes use Facial Neuralgia               | 
              | Facial Pain, Referred use Pain, Referred               | 
              | Facial Palsy use Facial Paralysis               | 
              | Facial Paralysis               | 
              | Facial Paralysis, Idiopathic use Bell Palsy               | 
              | Facial Powder use Products for Facial Makeup               | 
              | Facial Recognition Agnosia use Prosopagnosia               | 
              | Facial Spasm, Unilateral use Hemifacial Spasm               | 
              | Facial Transplantation               | 
              | Facies               | 
              | Facilitated Diffusion               | 
              | Facility Access use Architectural Accessibility               | 
              | Facility Construction use Facility Design and Construction               | 
              | Facility Design and Construction               | 
              | Facility Regulation and Control               | 
              | Faciocutaneoskeletal Syndrome use Costello Syndrome               | 
              | Facioscapulohumeral Muscular Dystrophy use Muscular Dystrophy, Facioscapulohumeral               | 
              | Facsimile Transmission use Telefacsimile               | 
              | Facteur Thymique Serique use Thymic Factor, Circulating               | 
              | Factitious Disorders               | 
              | Factor Analysis, Statistical               | 
              | Factor B use Complement Factor B               | 
              | Factor Construct Rating Scales (FCRS) use Psychiatric Status Rating Scales               | 
              | Factor D use Complement Factor D               | 
              | Factor For Inversion Stimulation Protein               | 
              | Factor H use Complement Factor H               | 
              | Factor I use Fibrinogen               | 
              | Factor II use Prothrombin               | 
              | Factor II Deficiency use Hypoprothrombinemias               | 
              | Factor III use Thromboplastin               | 
              | Factor IV use Calcium               | 
              | Factor IX               | 
              | Factor IX Deficiency use Hemophilia B               | 
              | Factor IX, Activated use Factor IXa               | 
              | Factor IXa               | 
              | Factor V               | 
              | Factor V Deficiency               | 
              | Factor V, Activated use Factor Va               | 
              | Factor Va               | 
              | Factor VII               | 
              | Factor VII Deficiency               | 
              | Factor VII, Activated use Factor VIIa               | 
              | Factor VIIa               | 
              | Factor VIII               | 
              | Factor VIII Clotting Antigen use Factor VIII               | 
              | Factor VIII Coagulant Antigen use Factor VIII               | 
              | Factor VIII Deficiency use Hemophilia A               | 
              | Factor VIII Procoagulant Activity use Factor VIII               | 
              | Factor VIII, Activated use Factor VIIIa               | 
              | Factor VIII, Thrombin-Activated use Factor VIIIa               | 
              | Factor VIII-Related Antigen use von Willebrand Factor               | 
              | Factor VIIIa               | 
              | Factor X               | 
              | Factor X Deficiency               | 
              | Factor X, Activated use Factor Xa               | 
              | Factor Xa               | 
              | Factor XI               | 
              | Factor XI Deficiency               | 
              | Factor XI, Activated use Factor XIa               | 
              | Factor XIa               | 
              | Factor XII               | 
              | Factor XII Deficiency               | 
              | Factor XII, Activated use Factor XIIa               | 
              | Factor XIIa               | 
              | Factor XIII               | 
              | Factor XIII Deficiency               | 
              | Factor XIII Transamidase use Factor XIII               | 
              | Factor XIII, Activated use Factor XIIIa               | 
              | Factor XIIIa               | 
              | Facultative Lagoons               | 
              | Faculty               | 
              | Faculty Practice, Nursing use Nursing Faculty Practice               | 
              | Faculty, Dental               | 
              | Faculty, Medical               | 
              | Faculty, Nursing               | 
              | Faculty, Pharmacy use Faculty               | 
              | FAD use Flavin-Adenine Dinucleotide               | 
              | Fadrozole               | 
              | Faeroe Islands use Denmark               | 
              | Fagaceae               | 
              | Fagara use Rutaceae               | 
              | Fagara horrida use Gleditsia               | 
              | Fagine use Choline               | 
              | Fagopyrum               | 
              | Fagopyrum esculentum use Fagopyrum               | 
              | Fagopyrum esculentum (Homeopathy)               | 
              | Fagopyrum sagittatum use Fagopyrum               | 
              | Fagopyrum tataricum use Fagopyrum               | 
              | Fagus               | 
              | Fagus silvatica               | 
              | Fagus sylvatica use Fagus silvatica               | 
              | FAIDS use Feline Acquired Immunodeficiency Syndrome               | 
              | Failed Back Surgery Syndrome               | 
              | Failure to Thrive               | 
              | Failure, Equipment use Equipment Failure               | 
              | Fainting use Syncope               | 
              | Fair Market Sanitation use Market Sanitation               | 
              | Fairy Candle use Cimicifuga racemosa               | 
              | Fairy Shrimp use Anostraca               | 
              | Fairy Wand use Helonias dioica               | 
              | Fairywand use Helonias dioica               | 
              | Faith Healing               | 
              | Falconiformes               | 
              | Falkland Islands               | 
              | Fall use Rockfall               | 
              | Fall Crocus use Colchicum               | 
              | Fallen Urinary Bladder use Cystocele               | 
              | Falling Rate Filtration use Declining Rate Filtration               | 
              | Falling Tide               | 
              | Fallopian Tube Diseases               | 
              | Fallopian Tube Neoplasms               | 
              | Fallopian Tube Patency Tests               | 
              | Fallopian Tubes               | 
              | Fallot's Tetralogy use Tetralogy of Fallot               | 
              | Fallot's Trilogy use Trilogy of Fallot               | 
              | Falls, Accidental use Accidental Falls               | 
              | False Allegations use Deception               | 
              | False Dittany use Dictamnus albus               | 
              | False Grape use Ampelopsis quinquefolia               | 
              | False Hellebore use Adonis vernalis               | 
              | False Ipeca use Triosteum perfoliatum               | 
              | False Iroko use Upas antiaris               | 
              | False Killer Whale use Dolphins               | 
              | False Memory Syndrome use Repression, Psychology               | 
              | False Mvule use Upas antiaris               | 
              | False Negative Reactions               | 
              | False Ohelo use Daphne indica               | 
              | False Pepper use Schinus molle               | 
              | False Physiological Feedback use Biofeedback, Psychology               | 
              | False Positive Reactions               | 
              | False Representation               | 
              | False Unicorn use Helonias dioica               | 
              | False Unicorn Root use Aletris farinosa               | 
              | False Valerian use Senecio aureus               | 
              | Familial Amyloid Polyneuropathies use Amyloid Neuropathies, Familial               | 
              | Familial Atypical Multiple Mole-Melanoma use Dysplastic Nevus Syndrome               | 
              | Familial Benign Chronic Pemphigus use Pemphigus, Benign Familial               | 
              | Familial CHARGE Syndrome use CHARGE Syndrome               | 
              | Familial Cold Autoinflammatory Syndrome use Cryopyrin-Associated Periodic Syndromes               | 
              | Familial Cold Urticaria use Cryopyrin-Associated Periodic Syndromes               | 
              | Familial Dystonia use Dystonic Disorders               | 
              | Familial Hemiplegic Migraine use Migraine with Aura               | 
              | Familial Hemophagocytic Lymphocytosis use Lymphohistiocytosis, Hemophagocytic               | 
              | Familial Hypertrophic Cardiomyopathy use Cardiomyopathy, Hypertrophic, Familial               | 
              | Familial Hypokalemic Periodic Paralysis use Hypokalemic Periodic Paralysis               | 
              | Familial Juvenile Parkinsonism use Parkinsonian Disorders               | 
              | Familial Mediterranean Fever               | 
              | Familial Metabolic Brain Diseases use Brain Diseases, Metabolic, Inborn               | 
              | Familial Motor Neuron Disease use Motor Neuron Disease               | 
              | Familial Tremor use Essential Tremor               | 
              | Familiar Allocations               | 
              | Familiarity use Recognition (Psychology)               | 
              | Family               | 
              | Family and Community Medicine use Family Practice               | 
              | Family Caregivers use Caregivers               | 
              | Family Characteristics               | 
              | Family Conflict               | 
              | Family Farming use Livestock Industry               | 
              | Family Health               | 
              | Family Health Program               | 
              | Family Income use Income               | 
              | Family Leave               | 
              | Family Life Cycles use Family               | 
              | Family Medicine use Family Practice               | 
              | Family Members use Family               | 
              | Family Nursing               | 
              | Family Planning use Family Planning Services               | 
              | Family Planning (Public Health)               | 
              | Family Planning Centers use Family Planning Services               | 
              | Family Planning Policy               | 
              | Family Planning Programmes use Family Planning Programs               | 
              | Family Planning Programs               | 
              | Family Planning Services               | 
              | Family Practice               | 
              | Family Relations               | 
              | Family Relationship use Family Relations               | 
              | Family Size use Family Characteristics               | 
              | Family Therapy               | 
              | Family Tree use Pedigree               | 
              | Family Violence use Domestic Violence               | 
              | Family Well-Being use Family Health               | 
              | Family, Reconstituted use Family               | 
              | Family, Single-Parent use Single-Parent Family               | 
              | Family-Patient Lodging use Housing               | 
              | Famine               | 
              | Famine, Endemic               | 
              | Famine, Occult               | 
              | Famotidine               | 
              | Famous Persons               | 
              | Fanconi Anemia               | 
              | Fanconi Anemia Complementation Group A Protein               | 
              | Fanconi Anemia Complementation Group C Protein               | 
              | Fanconi Anemia Complementation Group D1 Protein use BRCA2 Protein               | 
              | Fanconi Anemia Complementation Group D2 Protein               | 
              | Fanconi Anemia Complementation Group E Protein               | 
              | Fanconi Anemia Complementation Group F Protein               | 
              | Fanconi Anemia Complementation Group G Protein               | 
              | Fanconi Anemia Complementation Group L Protein               | 
              | Fanconi Anemia Complementation Group Proteins               | 
              | Fanconi Anemia Proteins use Fanconi Anemia Complementation Group Proteins               | 
              | Fanconi Syndrome               | 
              | FANFT               | 
              | Fangfeng use Apiaceae               | 
              | Fangotherapy use Mud Therapy               | 
              | Fannia use Muscidae               | 
              | Fantasy               | 
              | FAO, United Nations use United Nations               | 
              | Far East               | 
              | Far Eastern Russian Encephalitis use Encephalitis, Tick-Borne               | 
              | Far-Western Blotting use Blotting, Far-Western               | 
              | Farber Lipogranulomatosis               | 
              | Farm Animals use Animals, Domestic               | 
              | Farm Animals (Environmental Health)               | 
              | Farmer Association use Farmers Associations               | 
              | Farmer's Lung               | 
              | Farmers Associations               | 
              | Farming use Livestock Industry               | 
              | Farnesol               | 
              | Farnesyl-Diphosphate Farnesyltransferase               | 
              | Farnesylation use Prenylation               | 
              | Farnesylpyrophosphate Synthetase use Dimethylallyltranstransferase               | 
              | Farnesyltranstransferase               | 
              | Farr Assay use Radioimmunoprecipitation Assay               | 
              | Farsightedness use Hyperopia               | 
              | fas Antigens use Antigens, CD95               | 
              | Fas Ligand Protein               | 
              | fas Receptors use Antigens, CD95               | 
              | Fas-Associated Death Domain Protein               | 
              | Fascia               | 
              | Fascia Dentata use Dentate Gyrus               | 
              | Fascia Lata               | 
              | Fascia, Superficial use Subcutaneous Tissue               | 
              | Fascicular Block use Bundle-Branch Block               | 
              | Fasciculation               | 
              | Fasciitis               | 
              | Fasciitis, Necrotizing               | 
              | Fasciitis, Plantar               | 
              | Fasciitis, Plantar, Chronic use Fasciitis, Plantar               | 
              | Fasciola               | 
              | Fasciola hepatica               | 
              | Fascioliasis               | 
              | Fasciolidae               | 
              | Fascioloides use Fasciolidae               | 
              | Fascioloidiasis               | 
              | Fasciolopsiasis use Trematode Infections               | 
              | Fasciolopsis use Fasciolidae               | 
              | Fast Atom Bombardment Mass Spectrometry use Spectrometry, Mass, Fast Atom Bombardment               | 
              | Fast Atom Bombardment Mass Spectroscopy use Spectrometry, Mass, Fast Atom Bombardment               | 
              | Fast Electrons use Electrons               | 
              | Fast Foods               | 
              | Fast Neutrons               | 
              | Fast-Wave Sleep use Sleep, REM               | 
              | Fasting               | 
              | Fat Body               | 
              | Fat Cells use Adipocytes               | 
              | Fat Emulsions, Intravenous               | 
              | Fat Necrosis               | 
              | Fat Soluble Vitamins               | 
              | Fat Substitutes               | 
              | Fat-Restricted Diet use Diet, Fat-Restricted               | 
              | Fatal Familial Insomnia use Insomnia, Fatal Familial               | 
              | Fatal Outcome               | 
              | Father-Child Relations               | 
              | Fathers               | 
              | Fatigue               | 
              | Fatigue Fractures use Fractures, Stress               | 
              | Fatigue Syndrome, Chronic               | 
              | Fatigue, Auditory use Auditory Fatigue               | 
              | Fatigue, Mental use Mental Fatigue               | 
              | Fatigue, Muscle use Muscle Fatigue               | 
              | Fatigue, Visual use Asthenopia               | 
              | Fats               | 
              | Fats, Dietary use Dietary Fats               | 
              | Fats, Unsaturated               | 
              | Fatty Acid Cyclo-Oxygenase use Prostaglandin-Endoperoxide Synthases               | 
              | Fatty Acid Desaturases               | 
              | Fatty Acid Desaturating Enzymes use Fatty Acid Desaturases               | 
              | Fatty Acid Synthase use Fatty Acid Synthetase Complex               | 
              | Fatty Acid Synthase II use Fatty Acid Synthetase Complex, Type II               | 
              | Fatty Acid Synthesis Inhibitors               | 
              | Fatty Acid Synthetase Complex               | 
              | Fatty Acid Synthetase Complex, Type I               | 
              | Fatty Acid Synthetase Complex, Type II               | 
              | Fatty Acid Transport Proteins               | 
              | Fatty Acid-Binding Proteins               | 
              | Fatty Acid-Transport Protein use Fatty Acid Transport Proteins               | 
              | Fatty Acids               | 
              | Fatty Acids, Essential               | 
              | Fatty Acids, Esterified use Fatty Acids               | 
              | Fatty Acids, Free use Fatty Acids, Nonesterified               | 
              | Fatty Acids, Monounsaturated               | 
              | Fatty Acids, Nonesterified               | 
              | Fatty Acids, Omega-3               | 
              | Fatty Acids, Omega-6               | 
              | Fatty Acids, Polyunsaturated use Fatty Acids, Unsaturated               | 
              | Fatty Acids, Saturated use Fatty Acids               | 
              | Fatty Acids, Short-Chain use Fatty Acids, Volatile               | 
              | Fatty Acids, Unsaturated               | 
              | Fatty Acids, Volatile               | 
              | Fatty Acyl CoA use Acyl Coenzyme A               | 
              | Fatty Acyl Thioesterase use Palmitoyl-CoA Hydrolase               | 
              | Fatty Alcohols               | 
              | Fatty Liver               | 
              | Fatty Liver, Alcoholic               | 
              | Fatty Tissue use Adipose Tissue               | 
              | Fatty Tumor use Lipoma               | 
              | Fault use Geological Fault               | 
              | Fault Plane               | 
              | Fauna               | 
              | Fava Bean use Vicia faba               | 
              | Favism               | 
              | Favre-Racouchot Syndrome use Facial Dermatoses               | 
              | Favus use Tinea Favosa               | 
              | Fax use Telefacsimile               | 
              | Fazio-Londe Syndrome use Bulbar Palsy, Progressive               | 
              | Fc epsilon Receptors use Receptors, IgE               | 
              | Fc Fragments use Immunoglobulin Fc Fragments               | 
              | Fc gamma Receptors use Receptors, IgG               | 
              | Fc Immunoglobulins use Immunoglobulin Fc Fragments               | 
              | Fc Receptors use Receptors, Fc               | 
              | Fc Receptors, epsilon use Receptors, IgE               | 
              | Fc Receptors, gamma use Receptors, IgG               | 
              | FCCP use Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone               | 
              | FD & C Red No. 3 use Erythrosine               | 
              | fd Phage use Bacteriophage M13               | 
              | Fear               | 
              | Fear, Dental use Dental Anxiety               | 
              | Feasibility Studies               | 
              | Feathers               | 
              | Febrile Seizures use Seizures, Febrile               | 
              | Fecal Bacteria use Coliforms               | 
              | Fecal Coliforms use Coliforms               | 
              | Fecal Impaction               | 
              | Fecal Incontinence               | 
              | Fecalith use Fecal Impaction               | 
              | Feces               | 
              | Fecundity use Fertility               | 
              | Fecundity Rate               | 
              | FECV use Coronavirus, Feline               | 
              | Federal Aid use Financing, Government               | 
              | Federal Democratic Republic of Ethiopia use Ethiopia               | 
              | Federal Government               | 
              | Federal Health Insurance Plans, United States use National Health Insurance, United States               | 
              | Federal Republic of Germany use Germany, West               | 
              | Federal State use Federalism               | 
              | Federal Trade Commission (U.S.) use United States Federal Trade Commission               | 
              | Federal Union use Federal Government               | 
              | Federalism               | 
              | Federated States of Micronesia use Micronesia               | 
              | Federation use Federalism               | 
              | Federation of Malaya use Malaysia               | 
              | Fee Schedules               | 
              | Fee, Capitation use Capitation Fee               | 
              | Fee-for-Service Plans               | 
              | Fee-for-Service, Medical use Fee-for-Service Plans               | 
              | Feedback               | 
              | Feedback, Biochemical use Feedback, Physiological               | 
              | Feedback, Physiological               | 
              | Feedback, Psychological               | 
              | Feedback, Psychophysiologic use Biofeedback, Psychology               | 
              | Feedback, Sensory               | 
              | Feeding               | 
              | Feeding and Eating Disorders of Childhood               | 
              | Feeding Behavior               | 
              | Feeding Bottle use Nursing Bottles               | 
              | Feeding during Pregnancy use Prenatal Nutrition               | 
              | Feeding Methods               | 
              | Feeding Patterns use Feeding Behavior               | 
              | Feeding, Prenatal use Prenatal Nutrition               | 
              | Feelings use Emotions               | 
              | Feer Disease use Acrodynia               | 
              | Fees and Charges               | 
              | Fees, Dental               | 
              | Fees, Medical               | 
              | Fees, Pharmaceutical               | 
              | Fees, Prescription use Prescription Fees               | 
              | Feijoa               | 
              | Feint use Simulacra               | 
              | Fel tauri               | 
              | Feldshers use Physician Assistants               | 
              | Felidae               | 
              | Feline Acquired Immunodeficiency Syndrome               | 
              | Feline AIDS use Feline Acquired Immunodeficiency Syndrome               | 
              | Feline Ataxia use Feline Panleukopenia               | 
              | Feline calicivirus use Calicivirus, Feline               | 
              | Feline Enteric Coronavirus use Coronavirus, Feline               | 
              | Feline foamy virus use Spumavirus               | 
              | Feline Immunodeficiency Virus use Immunodeficiency Virus, Feline               | 
              | Feline Infectious Enteritis use Feline Panleukopenia               | 
              | Feline Infectious Enteritis Virus use Feline panleukopenia virus               | 
              | Feline Infectious Peritonitis               | 
              | Feline infectious peritonitis virus use Coronavirus, Feline               | 
              | Feline Lentiviruses use Lentiviruses, Feline               | 
              | Feline Leukemia use Leukemia, Feline               | 
              | Feline leukemia virus use Leukemia Virus, Feline               | 
              | Feline Lymphoma Virus use Leukemia Virus, Feline               | 
              | Feline Panleukopenia               | 
              | Feline panleukopenia virus               | 
              | Feline Sarcoma Virus, Gardner-Arnstein use Sarcoma Viruses, Feline               | 
              | Feline Sarcoma Virus, Hardy-Zuckerman use Sarcoma Viruses, Feline               | 
              | Feline Sarcoma Virus, Snyder-Theilen use Sarcoma Viruses, Feline               | 
              | Feline Sarcoma Viruses use Sarcoma Viruses, Feline               | 
              | Feline Syncytium-Forming Virus use Spumavirus               | 
              | Feline T-Lymphotropic Lentivirus use Immunodeficiency Virus, Feline               | 
              | Felis               | 
              | Felis catus use Cats               | 
              | Felis domesticus use Cats               | 
              | Fellenwort use Dulcamara (Homeopathy)               | 
              | Fellowships and Internships               | 
              | Fellowships and Scholarships               | 
              | Felodipine               | 
              | Felonwood use Dulcamara (Homeopathy)               | 
              | Felty's Syndrome               | 
              | FeLV use Leukemia Virus, Feline               | 
              | Felypressin               | 
              | Female               | 
              | Female Athlete Triad Syndrome               | 
              | Female Circumcision use Circumcision, Female               | 
              | Female Condoms use Condoms, Female               | 
              | Female Genitourinary Diseases use Female Urogenital Diseases               | 
              | Female Regulator use Senecio aureus               | 
              | Female Urogenital Diseases               | 
              | Female Urogenital Diseases and Pregnancy Complications               | 
              | Feminine Hygiene Products               | 
              | Femininity               | 
              | Feminism               | 
              | Feminist Ethics use Feminism               | 
              | Feminization               | 
              | Femoracetabular Impingement               | 
              | Femoral Artery               | 
              | Femoral Fractures               | 
              | Femoral Head Prosthesis use Hip Prosthesis               | 
              | Femoral Hernia use Hernia, Femoral               | 
              | Femoral Mononeuropathy use Femoral Neuropathy               | 
              | Femoral Neck use Femur Neck               | 
              | Femoral Neck Fractures               | 
              | Femoral Neoplasms               | 
              | Femoral Nerve               | 
              | Femoral Nerve Diseases use Femoral Neuropathy               | 
              | Femoral Neuropathy               | 
              | Femoral Vein               | 
              | Femur               | 
              | Femur Head               | 
              | Femur Head Necrosis               | 
              | Femur Neck               | 
              | Fenamates               | 
              | Fenbendazole               | 
              | Fenclonine               | 
              | Fendiline               | 
              | Fenelzin use Phenelzine               | 
              | Fenestration, Labyrinth               | 
              | Fenfluramine               | 
              | Fenformin use Phenformin               | 
              | Fenilbutazon use Phenylbutazone               | 
              | Fenilprenazone use Prenazone               | 
              | Fenitoin use Phenytoin               | 
              | Fenitrothion               | 
              | Fenmetrazin use Phenmetrazine               | 
              | Fennel use Foeniculum               | 
              | Fennel, Dog use Anthemis               | 
              | Fennel, Wild use Nigella damascena               | 
              | Fenofibrate               | 
              | Fenoldopam               | 
              | Fenoprofen               | 
              | Fenoterol               | 
              | Fenretinide               | 
              | Fens use Swamps               | 
              | Fentanyl               | 
              | Fenthion               | 
              | Fentolamin use Phentolamine               | 
              | Fenugreek use Trigonella               | 
              | FEP use Polytetrafluoroethylene               | 
              | Feprazone use Prenazone               | 
              | Fer-de-Lance use Bothrops               | 
              | Fermentation               | 
              | Fermium               | 
              | Fern Test use Cervix Mucus               | 
              | Fern, Bracken use Pteridium               | 
              | Fern, Brake use Pteris               | 
              | Fern, Calaguala use Polypodium               | 
              | Fern, Giant Holly use Polystichum               | 
              | Fern, Licorice use Polypodium               | 
              | Fern, Male use Dryopteris               | 
              | Fern, Rainbow use Selaginellaceae               | 
              | Fern, Sweet use Myricaceae               | 
              | Ferns               | 
              | Ferredoxin-NADP Reductase               | 
              | Ferredoxin-Nitrite Reductase               | 
              | Ferredoxins               | 
              | Ferrets               | 
              | Ferri phosphas use Ferrum Phosphoricum               | 
              | Ferric Chloride               | 
              | Ferric Compounds               | 
              | Ferric Sulfate               | 
              | Ferrichrome               | 
              | Ferricyanides               | 
              | Ferricytochrome c use Cytochromes c               | 
              | Ferrihemoglobin use Methemoglobin               | 
              | Ferrihemoprotein P-450 Reductase use NADPH-Ferrihemoprotein Reductase               | 
              | Ferrimyoglobin use Metmyoglobin               | 
              | Ferriprotoporphyrin use Hemin               | 
              | Ferritins               | 
              | Ferrobacillus use Iron Bacteria               | 
              | Ferrochelatase               | 
              | Ferrocyanide Reaction use Prussian Blue Reaction               | 
              | Ferrocyanides               | 
              | Ferrocytochrome c use Cytochromes c               | 
              | Ferroprotoporphyrin use Heme               | 
              | Ferrosoferric Oxide               | 
              | Ferrous Compounds               | 
              | Ferrous Sulfate               | 
              | Ferroxidase use Ceruloplasmin               | 
              | Ferrozine               | 
              | Ferrum Aceticum               | 
              | Ferrum Arsenicosum               | 
              | Ferrum Bromatum               | 
              | Ferrum Carbonicum               | 
              | Ferrum Citricum               | 
              | Ferrum Cyanatum               | 
              | Ferrum hydrogenium reductum use Ferrum Metallicum               | 
              | Ferrum Iodatum               | 
              | Ferrum Lacticum               | 
              | Ferrum Magneticum               | 
              | Ferrum Metallicum               | 
              | Ferrum Muriaticum               | 
              | Ferrum Oxydatum Rubrum               | 
              | Ferrum Pernitricum               | 
              | Ferrum Phosphoricum               | 
              | Ferrum Phosphoricum hydricum               | 
              | Ferrum Picricum               | 
              | Ferrum Protoxalatum               | 
              | Ferrum Pyrophosphoricum               | 
              | Ferrum Reductum               | 
              | Ferrum sesquichloratum use Ferrum Muriaticum               | 
              | Ferrum Sulphuricum               | 
              | Ferrum Tartaricum               | 
              | Fertile Period               | 
              | Fertility               | 
              | Fertility Agents               | 
              | Fertility Agents, Female               | 
              | Fertility Agents, Female, Hormonal use Fertility Agents, Female               | 
              | Fertility Agents, Female, Synthetic use Fertility Agents, Female               | 
              | Fertility Agents, Male               | 
              | Fertility Agents, Male, Hormonal use Fertility Agents, Male               | 
              | Fertility Agents, Male, Synthetic use Fertility Agents, Male               | 
              | Fertility Planning use Family Planning (Public Health)               | 
              | Fertility Rate use Pregnancy Rate               | 
              | Fertilization               | 
              | Fertilization in Vitro               | 
              | Fertilization, Delayed use Fertilization               | 
              | Fertilization, Polyspermic use Fertilization               | 
              | Fertilized Ovum use Zygote               | 
              | Fertilizer Industry               | 
              | Fertilizers               | 
              | Ferula               | 
              | Ferula assa foetida use Asafoetida (Homeopathy)               | 
              | Ferula assafoetida use Asafoetida (Homeopathy)               | 
              | Ferula communis use Ferula glauca               | 
              | Ferula glauca               | 
              | Ferula neapolitana use Ferula glauca               | 
              | Ferula sumbul use Sumbulus moschatus               | 
              | fes Proto-Oncogene Proteins use Proto-Oncogene Proteins c-fes               | 
              | Festivals use Holidays               | 
              | Festschrift               | 
              | Festuca               | 
              | Fetal Alcohol Syndrome               | 
              | Fetal Anoxia use Fetal Hypoxia               | 
              | Fetal Blood               | 
              | Fetal Cell Research use Fetal Research               | 
              | Fetal Circulation, Persistent use Persistent Fetal Circulation Syndrome               | 
              | Fetal Cord Entanglement use Nuchal Cord               | 
              | Fetal Death               | 
              | Fetal Development               | 
              | Fetal Diseases               | 
              | Fetal Distress               | 
              | Fetal Edema use Hydrops Fetalis               | 
              | Fetal Globulins use Fetal Proteins               | 
              | Fetal Growth Retardation               | 
              | Fetal Hair use Hair               | 
              | Fetal Heart               | 
              | Fetal Heart Rate use Heart Rate, Fetal               | 
              | Fetal Hemoglobin               | 
              | Fetal Hydrops use Hydrops Fetalis               | 
              | Fetal Hypoxia               | 
              | Fetal Immunity, Maternally-Acquired use Immunity, Maternally-Acquired               | 
              | Fetal Macrosomia               | 
              | Fetal Malnutrition use Fetal Nutrition Disorders               | 
              | Fetal Maturity, Chronologic use Gestational Age               | 
              | Fetal Maturity, Functional use Fetal Organ Maturity               | 
              | Fetal Membranes use Extraembryonic Membranes               | 
              | Fetal Membranes, Premature Rupture               | 
              | Fetal Monitoring               | 
              | Fetal Mortality               | 
              | Fetal Movement               | 
              | Fetal Mummification use Fetal Death               | 
              | Fetal Nutrition Disorders               | 
              | Fetal Organ Maturity               | 
              | Fetal Presentation use Labor Presentation               | 
              | Fetal Presentation, Breech use Breech Presentation               | 
              | Fetal Programming use Fetal Development               | 
              | Fetal Proteins               | 
              | Fetal Reduction use Pregnancy Reduction, Multifetal               | 
              | Fetal Research               | 
              | Fetal Resorption               | 
              | Fetal Stem Cells               | 
              | Fetal Structures use Fetus               | 
              | Fetal Termination, Selective use Pregnancy Reduction, Multifetal               | 
              | Fetal Therapies               | 
              | Fetal Therapy use Fetal Therapies               | 
              | Fetal Tissue Research use Fetal Research               | 
              | Fetal Tissue Transplantation               | 
              | Fetal Transfusion use Blood Transfusion, Intrauterine               | 
              | Fetal Ultrasonography use Ultrasonography, Prenatal               | 
              | Fetal Version use Version, Fetal               | 
              | Fetal Viability               | 
              | Fetal Weight               | 
              | Fetid Buckeye use Aesculus glabra               | 
              | Fetishism (Psychiatric)               | 
              | Fetofetal Transfusion               | 
              | Fetomaternal Transfusion               | 
              | Fetoplacental Circulation use Placental Circulation               | 
              | Fetoplacental Function Tests use Placental Function Tests               | 
              | Fetoscopes               | 
              | Fetoscopic Surgical Procedures use Fetoscopy               | 
              | Fetoscopy               | 
              | Fetotoxins use Teratogens               | 
              | Fetuins use alpha-Fetoproteins               | 
              | Fetus               | 
              | Fetus, Aborted use Aborted Fetus               | 
              | Feuerstein-Mims Syndrome use Nevus, Sebaceous of Jadassohn               | 
              | Fever               | 
              | Fever Blister use Herpes Labialis               | 
              | Fever Herb use Achyranthes calea               | 
              | Fever of Unknown Origin               | 
              | Fever Therapy use Hyperthermia, Induced               | 
              | Feverfew use Tanacetum parthenium               | 
              | Fèves de Tonka use Tongo               | 
              | FGF Receptors use Receptors, Fibroblast Growth Factor               | 
              | Fiber Optic Technology               | 
              | Fiber, Dietary use Dietary Fiber               | 
              | Fiberglass Casts use Casts, Surgical               | 
              | Fiberglass Pipes               | 
              | Fibrates use Fibric Acids               | 
              | Fibric Acids               | 
              | Fibril-Associated Collagens               | 
              | Fibrillar Collagens               | 
              | Fibrin               | 
              | Fibrin Adhesive use Fibrin Tissue Adhesive               | 
              | Fibrin Degradation Products use Fibrin Fibrinogen Degradation Products               | 
              | Fibrin Fibrinogen Degradation Products               | 
              | Fibrin Fibrinogen Split Products use Fibrin Fibrinogen Degradation Products               | 
              | Fibrin Foam               | 
              | Fibrin Glue use Fibrin Tissue Adhesive               | 
              | Fibrin Modulating Agents               | 
              | Fibrin Sealant System use Fibrin Tissue Adhesive               | 
              | Fibrin Stabilizing Factor use Factor XIII               | 
              | Fibrin Tissue Adhesive               | 
              | Fibrinase use Factor XIII               | 
              | Fibrinogen               | 
              | Fibrinogen Adhesive use Fibrin Tissue Adhesive               | 
              | Fibrinogen Deficiency use Afibrinogenemia               | 
              | Fibrinogen Receptors use Receptors, Fibrinogen               | 
              | Fibrinogens, Abnormal               | 
              | Fibrinoligase use Factor XIIIa               | 
              | Fibrinolysin               | 
              | Fibrinolysis               | 
              | Fibrinolytic Agents               | 
              | Fibrinolytic Therapy use Thrombolytic Therapy               | 
              | Fibrinopeptide A               | 
              | Fibrinopeptide B               | 
              | Fibro-Odontoma, Ameloblastic use Odontoma               | 
              | Fibroadenoma               | 
              | Fibrobacter               | 
              | Fibroblast Collagenase use Matrix Metalloproteinase 8               | 
              | Fibroblast Growth Factor 1               | 
              | Fibroblast Growth Factor 10               | 
              | Fibroblast Growth Factor 2               | 
              | Fibroblast Growth Factor 3               | 
              | Fibroblast Growth Factor 4               | 
              | Fibroblast Growth Factor 5               | 
              | Fibroblast Growth Factor 6               | 
              | Fibroblast Growth Factor 7               | 
              | Fibroblast Growth Factor 8               | 
              | Fibroblast Growth Factor 9               | 
              | Fibroblast Growth Factor Receptor 1 use Receptor, Fibroblast Growth Factor, Type 1               | 
              | Fibroblast Growth Factor Receptor 2 use Receptor, Fibroblast Growth Factor, Type 2               | 
              | Fibroblast Growth Factor Receptor 3 use Receptor, Fibroblast Growth Factor, Type 3               | 
              | Fibroblast Growth Factor Receptor 4 use Receptor, Fibroblast Growth Factor, Type 4               | 
              | Fibroblast Growth Factor Receptor 5 use Receptor, Fibroblast Growth Factor, Type 5               | 
              | Fibroblast Growth Factor Receptors use Receptors, Fibroblast Growth Factor               | 
              | Fibroblast Growth Factor, Acidic use Fibroblast Growth Factor 1               | 
              | Fibroblast Growth Factor, Basic use Fibroblast Growth Factor 2               | 
              | Fibroblast Growth Factors               | 
              | Fibroblast Intermediate Filament Proteins use Intermediate Filament Proteins               | 
              | Fibroblasts               | 
              | Fibrocartilage               | 
              | Fibrocystic Breast Disease               | 
              | Fibrocystic Mastopathy use Fibrocystic Breast Disease               | 
              | Fibrodysplasia Ossificans Progressiva use Myositis Ossificans               | 
              | Fibrofolliculomas with Trichodiscomas and Acrochordons use Birt-Hogg-Dube Syndrome               | 
              | Fibroid use Leiomyoma               | 
              | Fibroid Tumor use Leiomyoma               | 
              | Fibroid Uterus use Leiomyoma               | 
              | Fibroids, Uterine use Leiomyoma               | 
              | Fibroin use Fibroins               | 
              | Fibroins               | 
              | Fibroma               | 
              | Fibroma Virus, Rabbit               | 
              | Fibroma, Desmoplastic               | 
              | Fibroma, Ossifying               | 
              | Fibroma, Shope use Tumor Virus Infections               | 
              | Fibroma, Uterine use Leiomyoma               | 
              | Fibromatosis use Fibroma               | 
              | Fibromatosis Virus of Rabbits use Fibroma Virus, Rabbit               | 
              | Fibromatosis, Abdominal               | 
              | Fibromatosis, Aggressive               | 
              | Fibromatosis, Gingival               | 
              | Fibromuscular Dysplasia               | 
              | Fibromyalgia               | 
              | Fibromyoma use Leiomyoma               | 
              | Fibromyxoma use Fibroma               | 
              | Fibronectin Receptors use Receptors, Fibronectin               | 
              | Fibronectins               | 
              | Fibrosarcoma               | 
              | Fibrosis               | 
              | Fibrosis, Liver use Liver Cirrhosis               | 
              | Fibrositis use Fibromyalgia               | 
              | Fibrous Dysplasia of Bone               | 
              | Fibrous Dysplasia, Monostotic               | 
              | Fibrous Dysplasia, Polyostotic               | 
              | Fibrous Mesothelioma use Solitary Fibrous Tumor, Pleural               | 
              | Fibula               | 
              | Fibular Nerve use Peroneal Nerve               | 
              | Ficain               | 
              | Ficin use Ficain               | 
              | Ficoll               | 
              | Fictional Works               | 
              | Ficus               | 
              | Ficus indica use Opuntia ficus               | 
              | Ficus religiosa               | 
              | Ficus venosa               | 
              | Ficusin               | 
              | Fiducial Markers               | 
              | Field Bindweed use Convolvulus arvensis               | 
              | Field Dependence-Independence               | 
              | Field Flow Fractionation use Fractionation, Field Flow               | 
              | Field Gumweed use Grindelia robusta               | 
              | Field Hockey use Hockey               | 
              | Field Horsetail use Equisetum arvense               | 
              | Field Mushroom use Agaricus campestris               | 
              | Field Sorrel use Rumex acetosa               | 
              | Fierce Thornapple use Datura ferox               | 
              | Fifth Cranial Nerve use Trigeminal Nerve               | 
              | Fifth Cranial Nerve Diseases use Trigeminal Nerve Diseases               | 
              | Fifth Disease use Erythema Infectiosum               | 
              | Fifty Milesimal               | 
              | Fights about Water use Water Conflicts               | 
              | FIGLU use Formiminoglutamic Acid               | 
              | FIGLU Test               | 
              | Figs use Ficus               | 
              | Figural Aftereffect               | 
              | Figwort Betony use Scrophularia               | 
              | Fiji               | 
              | Fijivirus use Reoviridae               | 
              | Filamentous Bacteriophages use Inovirus               | 
              | Filaria bancrofti use Wuchereria bancrofti               | 
              | Filaria demarquayi use Mansonella               | 
              | Filaria ozzardi use Mansonella               | 
              | Filaria sanguinis hominis use Wuchereria bancrofti               | 
              | Filarial Elephantiasis use Elephantiasis, Filarial               | 
              | Filariasis               | 
              | Filariasis, Lymphatic use Elephantiasis, Filarial               | 
              | Filaricides               | 
              | Filarioidea               | 
              | Filarioidea Infections use Filariasis               | 
              | Filbert use Corylus               | 
              | Filgrastim               | 
              | Filing               | 
              | Filipendula               | 
              | Filipin               | 
              | Filipin III use Filipin               | 
              | Filix-mas               | 
              | Fillaea suaveolens use Erythrophleum suaveolens               | 
              | Filling Station               | 
              | Film Badge Dosimetry use Film Dosimetry               | 
              | Film Dosimetry               | 
              | Film, X-Ray use X-Ray Film               | 
              | Film-Screen Systems, X-Ray use X-Ray Intensifying Screens               | 
              | Filopodia use Pseudopodia               | 
              | Filoviridae               | 
              | Filoviridae Infections               | 
              | Filter Washing               | 
              | Filterable Total Residual use Dissolved Solids               | 
              | Filtering Surgery               | 
              | Filters               | 
              | Filtration               | 
              | Filtration Agent use Clarifying Agents               | 
              | Filtration Agents use Clarifying Agents               | 
              | Filtration Column use Contact Column               | 
              | Filtration Media               | 
              | Filtration Surgery use Filtering Surgery               | 
              | Filum Terminale use Cauda Equina               | 
              | Fimbria, Brain use Fornix, Brain               | 
              | Fimbriae Proteins               | 
              | Fimbriae, Bacterial               | 
              | Fimbrial Adhesins use Adhesins, Bacterial               | 
              | Fin Whale               | 
              | Financial Aspects use Capital Financing               | 
              | Financial Assistance use Economic Cooperation               | 
              | Financial Audit               | 
              | Financial Contributions use Gift Giving               | 
              | Financial Disclosure use Disclosure               | 
              | Financial Insolvency use Bankruptcy               | 
              | Financial Management               | 
              | Financial Management, Hospital               | 
              | Financial Policy               | 
              | Financial Resources for Health use Financial Resources in Health               | 
              | Financial Resources in Health               | 
              | Financial Risk Sharing use Risk Sharing, Financial               | 
              | Financial Support               | 
              | Financial Support in Health use Financing, Health               | 
              | Financial Support, Health use Financing, Health               | 
              | Financing of Congresses and Scientific Meetings               | 
              | Financing, Capital use Capital Financing               | 
              | Financing, Construction               | 
              | Financing, Government               | 
              | Financing, Health               | 
              | Financing, Organized               | 
              | Financing, Personal               | 
              | Financing, Public use Financing, Government               | 
              | Financing, Social Security use Social Security               | 
              | Finasteride               | 
              | Finches               | 
              | Finger Agnosia use Agnosia               | 
              | Finger Bones use Finger Phalanges               | 
              | Finger Injuries               | 
              | Finger Joint               | 
              | Finger Phalanges               | 
              | Finger Replacement Arthroplasty use Arthroplasty, Replacement, Finger               | 
              | Finger-Agnosia-Left-Right-Confusion-Acalculia-Agraphia use Gerstmann Syndrome               | 
              | Fingernails use Nails               | 
              | Fingerprints use Dermatoglyphics               | 
              | Fingerprints, Nucleotide use Nucleotide Mapping               | 
              | Fingerprints, Peptide use Peptide Mapping               | 
              | Fingers               | 
              | Fingersucking               | 
              | Finite Element Analysis               | 
              | Finkel-Biskis-Jinkins Murine Sarcoma Virus use Sarcoma Viruses, Murine               | 
              | Finland               | 
              | Finless Porpoise use Porpoises               | 
              | FIPV use Coronavirus, Feline               | 
              | Fir Tree use Abies               | 
              | Fir, Balsam use Abies               | 
              | Fir, Chinese use Cunninghamia               | 
              | Fir, Douglas use Pseudotsuga               | 
              | Fire               | 
              | Fire Chemistry               | 
              | Fire Extinguishing Agent               | 
              | Fire Extinguishing Methods               | 
              | Fire Extinguishing Systems               | 
              | Fire Hydrants use Hydrants               | 
              | Fire Prevention and Protection               | 
              | Fire Pumps use Hydrants               | 
              | Fire Resistant Buildings               | 
              | Fire Retardants use Flame Retardants               | 
              | Fire Tetrahedron               | 
              | Fire Theory               | 
              | Fire Triangle               | 
              | Firearms               | 
              | Firebrush use Bassia scoparia               | 
              | Fireflies               | 
              | Firefly Luciferin               | 
              | Firemen               | 
              | Firemen and Policemen in Disasters               | 
              | Fireproof use Fireproof Material               | 
              | Fireproof Material               | 
              | Fireproofing Agents use Flame Retardants               | 
              | Fires               | 
              | Firesetting Behavior               | 
              | Firethorn use Pyracantha               | 
              | Firewall               | 
              | Fireweed use Bassia scoparia               | 
              | Firming Agent use Firming Agents               | 
              | Firming Agents               | 
              | First Aid               | 
              | First Cranial Nerve use Olfactory Nerve               | 
              | First Cranial Nerve Diseases use Olfactory Nerve Diseases               | 
              | First Milk use Colostrum (Homeopathy)               | 
              | First Prescription               | 
              | First-Pass Radionuclide Angiography use Ventriculography, First-Pass               | 
              | First-Pass Ventriculography use Ventriculography, First-Pass               | 
              | Fiscal Analysis of Products               | 
              | Fiscal Policy use Financial Policy               | 
              | Fischer Rats use Rats, Inbred F344               | 
              | Fish Berry use Cocculus indicus               | 
              | Fish Culture               | 
              | Fish Diseases               | 
              | Fish Flour               | 
              | Fish Flour Industry               | 
              | Fish Liver Oils use Fish Oils               | 
              | Fish Oils               | 
              | Fish Products               | 
              | Fish Proteins               | 
              | FISH Technique use In Situ Hybridization, Fluorescence               | 
              | Fish Venoms               | 
              | Fisher Syndrome use Miller Fisher Syndrome               | 
              | Fisheries               | 
              | Fishes               | 
              | Fishes, Poisonous               | 
              | Fishing Industry               | 
              | Fishing Industry Effluents               | 
              | Fission Yeast use Schizosaccharomyces               | 
              | Fission Yeast Proteins use Schizosaccharomyces pombe Proteins               | 
              | Fissure in Ano               | 
              | Fissure Sealants use Pit and Fissure Sealants               | 
              | Fissures, Dental use Dental Fissures               | 
              | Fistula               | 
              | Fistula, Carotid Artery-Cavernous Sinus use Carotid-Cavernous Sinus Fistula               | 
              | FITC use Fluorescein-5-isothiocyanate               | 
              | Fitness Centers               | 
              | FIV use Immunodeficiency Virus, Feline               | 
              | Five Leaves use Ampelopsis quinquefolia               | 
              | Five-Faced Bishop use Adoxa moschatellina               | 
              | Five-Flowered Gentian use Gentiana quinquefolia               | 
              | Fixation Devices, External use External Fixators               | 
              | Fixation Devices, Internal use Internal Fixators               | 
              | Fixation Disparity use Vision Disparity               | 
              | Fixation, Ocular               | 
              | Fixation, Tissue use Tissue Fixation               | 
              | Fixatives               | 
              | Fixed Action Pattern use Instinct               | 
              | Fixed Bed               | 
              | Fixed Bridge use Denture, Partial, Fixed               | 
              | Fixed Partial Denture use Denture, Partial, Fixed               | 
              | Fixed Source               | 
              | FK506 Binding Protein use Tacrolimus Binding Proteins               | 
              | FK506 Binding Proteins use Tacrolimus Binding Proteins               | 
              | FK506-Binding Protein 1A use Tacrolimus Binding Protein 1A               | 
              | FKBP12 use Tacrolimus Binding Protein 1A               | 
              | Flaccid Muscle Tone use Muscle Hypotonia               | 
              | Flacourtia use Flacourtiaceae               | 
              | Flacourtiaceae               | 
              | Flagella               | 
              | Flagellin               | 
              | Flagroot use Calamus aromaticus               | 
              | Flail Chest               | 
              | Flame               | 
              | Flame Emission               | 
              | Flame Ionization               | 
              | Flame Retardants               | 
              | Flame Spectrophotometers               | 
              | Flammable Substances, Products and Materials               | 
              | Flammulina               | 
              | Flank Pain               | 
              | Flanking Repeat Sequences use Terminal Repeat Sequences               | 
              | Flap Endonucleases               | 
              | Flash Flood               | 
              | Flat Sedge use Cyperus               | 
              | Flat-Leaved Vanilla use Vanilla aromatica               | 
              | Flatfishes               | 
              | Flatfoot               | 
              | Flatsedge use Cyperus               | 
              | Flatulence               | 
              | Flatus use Flatulence               | 
              | Flatworms use Platyhelminths               | 
              | Flavanones               | 
              | Flaveria               | 
              | Flavin Mononucleotide               | 
              | Flavin Mononucleotide Reductase use FMN Reductase               | 
              | Flavin-Adenine Dinucleotide               | 
              | Flavins               | 
              | Flaviviridae               | 
              | Flaviviridae Infections               | 
              | Flavivirus               | 
              | Flavivirus Infections               | 
              | Flavobacteriaceae               | 
              | Flavobacteriaceae Infections               | 
              | Flavobacterium               | 
              | Flavobacterium meningosepticum use Chryseobacterium               | 
              | Flavodoxin               | 
              | Flavones               | 
              | Flavonoids               | 
              | Flavonolignans               | 
              | Flavonols               | 
              | Flavophospholipols use Bambermycins               | 
              | Flavoproteins               | 
              | Flavor Intensifier               | 
              | Flavoring Agents               | 
              | Flavotoxin A use Bongkrekic Acid               | 
              | Flavoxate               | 
              | Flavum Iodatum use Sulphur Iodatum               | 
              | Flavus               | 
              | Flax               | 
              | Flax, New Zealand use Agavaceae               | 
              | Flaxseed use Flax               | 
              | Flaxseed Oil use Linseed Oil               | 
              | Flea Infestations               | 
              | Fleas use Siphonaptera               | 
              | Flecainide               | 
              | Flecainide Acetate use Flecainide               | 
              | Fleroxacin               | 
              | Flesh-Eating Bacteria use Streptococcus pyogenes               | 
              | Fletcher Factor use Prekallikrein               | 
              | Flexibacter               | 
              | Flexibacteraceae               | 
              | Flexibacteraceae Infections               | 
              | Flexibility use Pliability               | 
              | Flexibility, Waxy use Catalepsy               | 
              | Flexible Connections use Flexible Installations               | 
              | Flexible Installations               | 
              | Flexiviridae               | 
              | Flexor Tendon Entrapment use Trigger Finger Disorder               | 
              | fli-1 Transcription Factor use Proto-Oncogene Protein c-fli-1               | 
              | Flicker Fusion               | 
              | Flies, True use Diptera               | 
              | Flight Reaction use Escape Reaction               | 
              | Flight Suits use Space Suits               | 
              | Flight, Animal               | 
              | Floating Population               | 
              | Floating Root               | 
              | Floc               | 
              | Flocculant Sedimentation               | 
              | Flocculants (Water Treatment) use Coagulants (Water Treatment)               | 
              | Flocculation               | 
              | Flocculation Agent use Flocculation Agents               | 
              | Flocculation Agents               | 
              | Flocculation Agents (Water Treatment) use Coagulants (Water Treatment)               | 
              | Flocculation Tests               | 
              | Flocculators               | 
              | Flood               | 
              | Flood Alarm Level               | 
              | Flood Control               | 
              | Flood Forecasting               | 
              | Flood Proofing               | 
              | Flood Regulation use Flood Control               | 
              | Flood Routing               | 
              | Flood Tide use Rising Tide               | 
              | Flood Wave               | 
              | Flood-Bypass Channel               | 
              | Flood-Tide               | 
              | Flooding Therapy use Implosive Therapy               | 
              | Flooding, Catastrophic use Floods               | 
              | Flooding, Imaginal use Implosive Therapy               | 
              | Floodplain Zoning               | 
              | Floods               | 
              | Floor of Mouth use Mouth Floor               | 
              | Floor Waxes use Polishes (Health Surveillance)               | 
              | Floorcoverings use Floors and Floorcoverings               | 
              | Floors and Floorcoverings               | 
              | Floppy Mitral Valve use Mitral Valve Prolapse               | 
              | Flor de piedra               | 
              | Flora               | 
              | Floral Drugs use Floral Remedies               | 
              | Floral Remedies               | 
              | Floral Remedy use Floral Remedies               | 
              | Florida               | 
              | Florida Manatee use Trichechus manatus               | 
              | Florida Panther use Puma               | 
              | Florimycin use Viomycin               | 
              | Flotation               | 
              | Flotation Thickening               | 
              | Flounder               | 
              | Flour               | 
              | Flour Benefactor               | 
              | Flour Industry               | 
              | Flow Augmentation               | 
              | Flow Cytometry               | 
              | Flow gauging use Flow Measurements               | 
              | Flow Injection Analysis               | 
              | Flow Measurements               | 
              | Flow Mechanics               | 
              | Flow Meter use Flowmeters               | 
              | Flow Meters use Flowmeters               | 
              | Flow Microfluorimetry use Flow Cytometry               | 
              | Flow Profiles               | 
              | Flow, Pulsating use Pulsatile Flow               | 
              | Flow-Reducing Valves use Water Valves               | 
              | Flowcharts (Computer) use Software Design               | 
              | Flower Essence use Floral Remedies               | 
              | Flower Essence Therapy use Floral Remedies               | 
              | Flower Essences use Floral Remedies               | 
              | Flower Remedies use Floral Remedies               | 
              | Flower Therapies use Floral Remedies               | 
              | Flower Therapy use Floral Remedies               | 
              | Flowering Dogwood use Cornus florida               | 
              | Flowering Tops               | 
              | Flowers               | 
              | Flowmeter use Flowmeters               | 
              | Flowmeters               | 
              | Flowmetry use Rheology               | 
              | Flowmetry, Laser-Doppler use Laser-Doppler Flowmetry               | 
              | Floxacillin               | 
              | Floxuridine               | 
              | Flubenisolone use Betamethasone               | 
              | Flubenisolonvalerate use Betamethasone 17-Valerate               | 
              | Flucloxacillin use Floxacillin               | 
              | Fluconazole               | 
              | Flucytosine               | 
              | Fludeoxyglucose F 18 use Fluorodeoxyglucose F18               | 
              | Fludrocortisone               | 
              | Flufenamic Acid               | 
              | Flufenazin use Fluphenazine               | 
              | Flugestone use Flurogestone Acetate               | 
              | Fluid Balance use Water-Electrolyte Balance               | 
              | Fluid Shifts               | 
              | Fluid Therapy               | 
              | Fluidized Bed               | 
              | Fluids and Secretions               | 
              | Flukes use Trematoda               | 
              | Flumazenil               | 
              | Flumazepil use Flumazenil               | 
              | Flumethasone               | 
              | Flunarizine               | 
              | Flunitrazepam               | 
              | Fluocinolide use Fluocinonide               | 
              | Fluocinolone Acetonide               | 
              | Fluocinonide               | 
              | Fluocortolone               | 
              | Fluocortolone Caproate use Fluocortolone               | 
              | Fluocortolone Pivalate use Fluocortolone               | 
              | Fluon use Polytetrafluoroethylene               | 
              | Fluopromazine use Triflupromazine               | 
              | Fluoren-2-ylacetamide use 2-Acetylaminofluorene               | 
              | Fluorenes               | 
              | Fluorescamine               | 
              | Fluorescein               | 
              | Fluorescein Angiography               | 
              | Fluorescein Sodium use Fluorescein               | 
              | Fluorescein-5-isothiocyanate               | 
              | Fluoresceins               | 
              | Fluorescence               | 
              | Fluorescence Angiography use Fluorescein Angiography               | 
              | Fluorescence Anisotropy use Fluorescence Polarization               | 
              | Fluorescence Microscopy use Microscopy, Fluorescence               | 
              | Fluorescence Microscopy, Multiphoton use Microscopy, Fluorescence, Multiphoton               | 
              | Fluorescence Photobleaching Recovery use Fluorescence Recovery After Photobleaching               | 
              | Fluorescence Polarization               | 
              | Fluorescence Polarization Immunoassay               | 
              | Fluorescence Recovery After Photobleaching               | 
              | Fluorescence Resonance Energy Transfer               | 
              | Fluorescence Spectrophotometry use Spectrometry, Fluorescence               | 
              | Fluorescence Spectroscopy use Spectrometry, Fluorescence               | 
              | Fluorescence-Activated Cell Sorting use Flow Cytometry               | 
              | Fluorescent Antibody Technique               | 
              | Fluorescent Antibody Technique, Direct               | 
              | Fluorescent Antibody Technique, Indirect               | 
              | Fluorescent Antinuclear Antibodies use Antibodies, Antinuclear               | 
              | Fluorescent Antinuclear Antibody Test use Fluorescent Antibody Technique               | 
              | Fluorescent Dyes               | 
              | Fluorescent in Situ Hybridization use In Situ Hybridization, Fluorescence               | 
              | Fluorescent Probes use Fluorescent Dyes               | 
              | Fluorescent Protein Tracing use Fluorescent Antibody Technique               | 
              | Fluorescent Treponemal Antibody-Absorption Test               | 
              | Fluoricum Acidum               | 
              | Fluoridation               | 
              | Fluoride Poisoning               | 
              | Fluoride Varnishes use Fluorides, Topical               | 
              | Fluorides               | 
              | Fluorides, Topical               | 
              | Fluorimetry use Fluorometry               | 
              | Fluorinated Hydrocarbons use Hydrocarbons, Fluorinated               | 
              | Fluorinated Polymers use Fluorocarbon Polymers               | 
              | Fluorinated Steroids use Steroids, Fluorinated               | 
              | Fluorination use Halogenation               | 
              | Fluorine               | 
              | Fluorine Compounds               | 
              | Fluorine Radioisotopes               | 
              | Fluoroacetates               | 
              | Fluorobenzenes               | 
              | Fluorocarbon Aerosols use Chlorofluorocarbons, Methane               | 
              | Fluorocarbon Emulsions use Fluorocarbons               | 
              | Fluorocarbon Polymers               | 
              | Fluorocarbon Propellants use Chlorofluorocarbons, Methane               | 
              | Fluorocarbon Resins use Fluorocarbon Polymers               | 
              | Fluorocarbons               | 
              | Fluorochloroxacillin use Floxacillin               | 
              | Fluorochromes use Fluorescent Dyes               | 
              | Fluorodeoxyglucose F18               | 
              | Fluorodeoxyuridine use Floxuridine               | 
              | Fluorodeoxyuridylate               | 
              | Fluorodexamethasone use Flumethasone               | 
              | Fluorodinitrobenzene use Dinitrofluorobenzene               | 
              | Fluoroimmunoassay               | 
              | Fluorometholone               | 
              | Fluorometry               | 
              | Fluorophotometry               | 
              | Fluoroquinolones               | 
              | Fluoroscopy               | 
              | Fluorosis, Dental               | 
              | Fluorouracil               | 
              | Fluortriamcinolone Acetonide use Fluocinolone Acetonide               | 
              | Fluostigmine use Isoflurophate               | 
              | Fluoxetine               | 
              | Fluoximesteron use Fluoxymesterone               | 
              | Fluoxymesterone               | 
              | Flupenthixol               | 
              | Fluphenazine               | 
              | Fluprednisolone               | 
              | Flupyrazapon use Zolazepam               | 
              | Flurandrenolide use Flurandrenolone               | 
              | Flurandrenolone               | 
              | Flurazepam               | 
              | Flurbiprofen               | 
              | Fluridrazepam use Flunitrazepam               | 
              | Flurogestone use Flurogestone Acetate               | 
              | Flurogestone Acetate               | 
              | Flurothyl               | 
              | Flush Toilets use Sanitary Devices               | 
              | Flushing               | 
              | Fluspirilene               | 
              | Flutamide               | 
              | Fluvial Erosion               | 
              | Fluvial Pollution use River Pollution               | 
              | Fluvoxamine               | 
              | Fluxmeter use Flowmeters               | 
              | Fluxmeters use Flowmeters               | 
              | Fluxroot use Asclepias tuberosa               | 
              | Fly Agaric use Agaricus muscarius               | 
              | Fly-Trap Dogbane use Apocynum androsaemifolium               | 
              | Flycatchers use Songbirds               | 
              | Flying Foxes use Chiroptera               | 
              | Flytrap use Sarraceniaceae               | 
              | FMN use Flavin Mononucleotide               | 
              | FMN Reductase               | 
              | FMRFamide               | 
              | fMRI use Magnetic Resonance Imaging               | 
              | fms Genes use Genes, fms               | 
              | fms Oncogene Protein gp120 use Oncogene Protein gp140(v-fms)               | 
              | fms Oncogene Protein gp140 use Oncogene Protein gp140(v-fms)               | 
              | fms Proto-Oncogene Protein use Receptor, Macrophage Colony-Stimulating Factor               | 
              | fms-Like Tyrosine Kinase 3               | 
              | Foam Cells               | 
              | Foam Retardants use Antifoaming Agents               | 
              | Foaming Agent use Foaming Agents               | 
              | Foaming Agents               | 
              | Foamy Virus use Spumavirus               | 
              | Focal Adhesion Kinase 1               | 
              | Focal Adhesion Kinase 2               | 
              | Focal Adhesion Protein-Tyrosine Kinase Family use Focal Adhesion Protein-Tyrosine Kinases               | 
              | Focal Adhesion Protein-Tyrosine Kinases               | 
              | Focal Adhesions               | 
              | Focal Contacts use Focal Adhesions               | 
              | Focal Dermal Hypoplasia               | 
              | Focal Dystonia use Dystonic Disorders               | 
              | Focal Epithelial Hyperplasia               | 
              | Focal Infection               | 
              | Focal Infection, Dental               | 
              | Focal Motor Epilepsy use Epilepsy, Partial, Motor               | 
              | Focal Nodular Hyperplasia               | 
              | Focal Seizure Disorder use Epilepsies, Partial               | 
              | Focal Sensory Seizure use Epilepsy, Partial, Sensory               | 
              | Focus Groups               | 
              | Focusing, Ocular use Fixation, Ocular               | 
              | Foeniculum               | 
              | Foeniculum sativum               | 
              | Foeniculum vulgare use Foeniculum sativum               | 
              | Foetid Pothos use Ictodes foetida               | 
              | Fog use Weather               | 
              | Fog (Environmental Health)               | 
              | Fog Collectors use Mist Catchment               | 
              | Fog Fever use Pneumonia, Atypical Interstitial, of Cattle               | 
              | Fogarty Balloon Catheterization use Balloon Dilation               | 
              | FOIA Requests use Access to Information               | 
              | Folate Conjugase use gamma-Glutamyl Hydrolase               | 
              | Folate Polyglutamates use Pteroylpolyglutamic Acids               | 
              | Folate Receptor 1               | 
              | Folate Receptor 2               | 
              | Folate Receptors, GPI-Anchored               | 
              | Foley Balloon Catheterization use Balloon Dilation               | 
              | Folic Acid               | 
              | Folic Acid Antagonists               | 
              | Folic Acid Deficiency               | 
              | Folic Acid Reductase use Tetrahydrofolate Dehydrogenase               | 
              | Folic Acid Transporters               | 
              | Folie a Deux use Shared Paranoid Disorder               | 
              | Folie a Trois use Shared Paranoid Disorder               | 
              | Folinic Acid use Leucovorin               | 
              | Folk Medicine use Medicine, Traditional               | 
              | Folk Remedies use Medicine, Traditional               | 
              | Folklore               | 
              | Follicle Stimulating Hormone               | 
              | Follicle Stimulating Hormone, beta Subunit               | 
              | Follicle Stimulating Hormone, Human               | 
              | Follicle Stimulating Hormone, Inappropriate Secretion use Hyperpituitarism               | 
              | Follicle-Stimulating Hormone Receptors use Receptors, FSH               | 
              | Follicle-Stimulating Hormone, alpha Subunit use Glycoprotein Hormones, alpha Subunit               | 
              | Follicle-Stimulating Hormone, Human Urine use Urofollitropin               | 
              | Follicular Atresia               | 
              | Follicular Cyst               | 
              | Follicular Dendritic Cell Sarcoma use Dendritic Cell Sarcoma, Follicular               | 
              | Follicular Dendritic Cells use Dendritic Cells, Follicular               | 
              | Follicular Fluid               | 
              | Follicular Lymphoma use Lymphoma, Follicular               | 
              | Follicular Phase               | 
              | Folliculinum               | 
              | Folliculitis               | 
              | Follistatin               | 
              | Follistatin-Related Proteins               | 
              | Follitropin, beta Subunit use Follicle Stimulating Hormone, beta Subunit               | 
              | Follow-Up Studies               | 
              | Folyl Conjugate Synthetase use gamma-Glutamyl Hydrolase               | 
              | Fomes use Coriolaceae               | 
              | Fomites               | 
              | Fomitopsis use Coriolaceae               | 
              | Fonofos               | 
              | Fontan Operation use Fontan Procedure               | 
              | Fontan Procedure               | 
              | Food               | 
              | Food Additives               | 
              | Food Adulteration use Food Contamination               | 
              | Food Advertisement use Food Publicity               | 
              | Food Advocacy use Nutritional Rights               | 
              | Food Allergy use Food Hypersensitivity               | 
              | Food Analysis               | 
              | Food and Agricultural Organization, United Nations use United Nations               | 
              | Food and Beverages               | 
              | Food and Drug Administration (U.S.) use United States Food and Drug Administration               | 
              | Food and Nutrition Education               | 
              | Food and Nutrition Foundation of Central America and Panama               | 
              | Food Browning use Maillard Reaction               | 
              | Food Chain               | 
              | Food Chemistry               | 
              | Food Colorants use Food Coloring Agents               | 
              | Food Coloring Agents               | 
              | Food Complements for Pregnant Women use Foods for Pregnants and Breastfeeding Mothers               | 
              | Food Complements for Pregnants use Foods for Pregnants and Breastfeeding Mothers               | 
              | Food Complements for Wet Nurses use Foods for Pregnants and Breastfeeding Mothers               | 
              | Food Composition               | 
              | Food Consumption               | 
              | Food Containers use Food Packaging               | 
              | Food Contamination               | 
              | Food Contamination, Radioactive               | 
              | Food Demand               | 
              | Food Deprivation               | 
              | Food Diaries use Diet Records               | 
              | Food Dispensers, Automatic               | 
              | Food Economics               | 
              | Food Fads use Diet Fads               | 
              | Food Guide               | 
              | Food Habits               | 
              | Food Handling               | 
              | Food Hygiene               | 
              | Food Hypersensitivity               | 
              | Food Industry               | 
              | Food Industry Complexes use Agribusiness               | 
              | Food Inspection               | 
              | Food Intake use Eating               | 
              | Food Intake during Pregnancy use Prenatal Nutrition               | 
              | Food Intake Regulation use Appetite Regulation               | 
              | Food Intake, Prenatal use Prenatal Nutrition               | 
              | Food Interactions use Food-Drug Interactions               | 
              | Food Irradiation               | 
              | Food Labeling               | 
              | Food Law use Nutritional Rights               | 
              | Food Laws use Legislation, Food               | 
              | Food Losses               | 
              | Food Microbiology               | 
              | Food Mixtures               | 
              | Food of the Gods use Asafoetida (Homeopathy)               | 
              | Food Packaging               | 
              | Food Parasitology               | 
              | Food Planning               | 
              | Food Plants use Plants, Edible               | 
              | Food Poisoning use Foodborne Diseases               | 
              | Food Policy use Nutrition Policy               | 
              | Food Pollutants, Chemical               | 
              | Food Pollutants, Inorganic               | 
              | Food Preferences               | 
              | Food Preservation               | 
              | Food Preservatives               | 
              | Food Processing use Food Handling               | 
              | Food Production               | 
              | Food Promotion               | 
              | Food Publicity               | 
              | Food Quality               | 
              | Food Quality Standards               | 
              | Food Refrigeration use Cooled Foods               | 
              | Food Relief               | 
              | Food Resources               | 
              | Food Rights use Nutritional Rights               | 
              | Food Safety               | 
              | Food Samples               | 
              | Food Sanitation use Food Hygiene               | 
              | Food Security               | 
              | Food Selection use Food Preferences               | 
              | Food Service, Hospital               | 
              | Food Services               | 
              | Food Storage               | 
              | Food Storing use Food Storage               | 
              | Food Supplements use Dietary Supplements               | 
              | Food Supply               | 
              | Food Taboo               | 
              | Food Technology               | 
              | Food Technology Coadjuvants               | 
              | Food Wastefulness               | 
              | Food Web use Food Chain               | 
              | Food, Canned use Food, Preserved               | 
              | Food, Dried use Food, Preserved               | 
              | Food, Drug and Cosmetic Act use Legislation, Drug               | 
              | Food, Formulated               | 
              | Food, Fortified               | 
              | Food, Frozen use Frozen Foods               | 
              | Food, Genetically Modified               | 
              | Food, Health use Health Food               | 
              | Food, Infant use Infant Food               | 
              | Food, Irradiated use Food Irradiation               | 
              | Food, Organic               | 
              | Food, Preserved               | 
              | Food, Supplemented use Dietary Supplements               | 
              | Food-Drug Interactions               | 
              | Food-Processing Industry               | 
              | Foodborne Diseases               | 
              | Foods Containing Coconut               | 
              | Foods Containing Peanuts               | 
              | Foods Equipment               | 
              | Foods for Persons Engaged in Physical Activities               | 
              | Foods for Physical Activity Practicers use Foods for Persons Engaged in Physical Activities               | 
              | Foods for Physical Activity-Engaged Persons use Foods for Persons Engaged in Physical Activities               | 
              | Foods for Pregnant Women and Breastfeeding Mothers use Foods for Pregnants and Breastfeeding Mothers               | 
              | Foods for Pregnants and Breastfeeding Mothers               | 
              | Foods Modified by Air Incorporation               | 
              | Foods of Animal Origin               | 
              | Foods of Confectionery               | 
              | Foods, Specialized               | 
              | Fool's Cicely use Aethusa cynapium               | 
              | Fool's Parsley use Aethusa cynapium               | 
              | Foot               | 
              | Foot Bones               | 
              | Foot Deformities               | 
              | Foot Deformities, Acquired               | 
              | Foot Deformities, Congenital               | 
              | Foot Dermatoses               | 
              | Foot Diseases               | 
              | Foot Injuries               | 
              | Foot Joints               | 
              | Foot Rot               | 
              | Foot Ulcer               | 
              | Foot Ulcer, Diabetic use Diabetic Foot               | 
              | Foot Valves               | 
              | Foot-and-Mouth Disease               | 
              | Foot-and-Mouth Disease Virus               | 
              | Football               | 
              | Footprints, DNA use DNA Footprinting               | 
              | Footprints, Protein use Protein Footprinting               | 
              | For-Profit Insurance Plans               | 
              | Foramen Magnum               | 
              | Foramen of Monro use Cerebral Ventricles               | 
              | Foramen Ovale               | 
              | Foramen Ovale, Patent               | 
              | Foraminifera               | 
              | Forbes Disease use Glycogen Storage Disease Type III               | 
              | Force Feeding use Enteral Nutrition               | 
              | Force Microscopy use Microscopy, Atomic Force               | 
              | Force, Vital use Vital Force in Homeopathy               | 
              | Forced Expiratory Flow 0.2-1.2 use Maximal Expiratory Flow Rate               | 
              | Forced Expiratory Flow 025-075 Percent use Maximal Midexpiratory Flow Rate               | 
              | Forced Expiratory Flow 200-1200 use Maximal Expiratory Flow Rate               | 
              | Forced Expiratory Flow Rates               | 
              | Forced Expiratory Volume               | 
              | Forced Vital Capacity use Vital Capacity               | 
              | Forced Vital Capacity, Timed use Forced Expiratory Volume               | 
              | Forceps use Surgical Instruments               | 
              | Forearm               | 
              | Forearm Injuries               | 
              | Forebrain use Prosencephalon               | 
              | Forecasting               | 
              | Forefoot, Human               | 
              | Forehead               | 
              | Foreign Aid use International Cooperation               | 
              | Foreign Bodies               | 
              | Foreign Medical Graduates               | 
              | Foreign Policy use International Acts               | 
              | Foreign Professional Personnel               | 
              | Foreign-Body Granuloma use Granuloma, Foreign-Body               | 
              | Foreign-Body Migration               | 
              | Foreign-Body Reaction               | 
              | Forel Scale               | 
              | Forelimb               | 
              | Forensic Anthropology               | 
              | Forensic Ballistics               | 
              | Forensic Dentistry               | 
              | Forensic Genetics               | 
              | Forensic Medicine               | 
              | Forensic Nursing               | 
              | Forensic Pathology               | 
              | Forensic Psychiatry               | 
              | Forensic Sciences               | 
              | Forensic Toxicology               | 
              | Foreshore use Intertidal Zone               | 
              | Foreskin               | 
              | Forest Conservation use Forests (Environmental Health)               | 
              | Forest Fires use Wildfire               | 
              | Forest Reserves use Forests (Environmental Health)               | 
              | Forest Resources use Forests (Environmental Health)               | 
              | Forestier Disease use Hyperostosis, Diffuse Idiopathic Skeletal               | 
              | Forestier-Certonciny Syndrome use Polymyalgia Rheumatica               | 
              | Forestry               | 
              | Forests use Trees               | 
              | Forests (Environmental Health)               | 
              | Forkhead Box A1 Protein use Hepatocyte Nuclear Factor 3-alpha               | 
              | Forkhead Box A2 Protein use Hepatocyte Nuclear Factor 3-beta               | 
              | Forkhead Box A3 Protein use Hepatocyte Nuclear Factor 3-gamma               | 
              | Forkhead Transcription Factors               | 
              | Form Perception               | 
              | Formaldehyde               | 
              | Formalin Test use Pain Measurement               | 
              | Formalinum               | 
              | Formamides               | 
              | Formamidopyrimidine-DNA Glycosylase use DNA-Formamidopyrimidine Glycosylase               | 
              | Formate Dehydrogenases               | 
              | Formate Hydrogenlyases use Formate Dehydrogenases               | 
              | Formate-Tetrahydrofolate Ligase               | 
              | Formates               | 
              | Formazans               | 
              | Former Yugoslav Republic of Macedonia use Macedonia (Republic)               | 
              | Formic Acid Esters               | 
              | Formic Acids               | 
              | Formica rufa               | 
              | Formicicum Acidum               | 
              | Formicoidea Venoms use Ant Venoms               | 
              | Formiminoglutamic Acid               | 
              | Formiminoglutamic Acid Test use FIGLU Test               | 
              | Formocresols               | 
              | Formosa use Taiwan               | 
              | Forms               | 
              | Forms and Records Control               | 
              | Formularies               | 
              | Formularies as Topic               | 
              | Formularies, Dental               | 
              | Formularies, Homeopathic               | 
              | Formularies, Hospital               | 
              | Formulary Committee use Pharmacy and Therapeutics Committee               | 
              | Formulary, National use Pharmacopoeias as Topic               | 
              | Formulation and Canning of Detergents and Disinfectants               | 
              | Formulation and Canning of Pesticides               | 
              | Formulation and Canning of Substances, Products and Materials               | 
              | Formulation of Sanitizing Products use Additives in Sanitizing Products               | 
              | Formycins               | 
              | Formyltetrahydrofolates               | 
              | Formyltetrahydrofolic Acids use Formyltetrahydrofolates               | 
              | Formylum Trichloratum use Chloroformium               | 
              | Fornix, Brain               | 
              | Forskolin               | 
              | Forssman Antigen               | 
              | Forster Resonance Energy Transfer use Fluorescence Resonance Energy Transfer               | 
              | Forsythia               | 
              | Fortunella use Rutaceae               | 
              | Fos B Protein use Proto-Oncogene Proteins c-fos               | 
              | fos Genes use Genes, fos               | 
              | fos Oncogene Proteins use Oncogene Proteins v-fos               | 
              | fos Proto-Oncogene Proteins use Proto-Oncogene Proteins c-fos               | 
              | fos-Associated Protein p39 use Proto-Oncogene Proteins c-jun               | 
              | Fos-Related Antigen-2               | 
              | fos-Related Antigens use Proto-Oncogene Proteins c-fos               | 
              | Foscarnet               | 
              | Fosenopril use Fosinopril               | 
              | Fosfomycin               | 
              | Fosinopril               | 
              | Fossil Fuels               | 
              | Fossils               | 
              | Foster Home Care               | 
              | Foster-Kennedy Syndrome use Optic Nerve Diseases               | 
              | Foundation Makeup use Beauty Lotions               | 
              | Foundations               | 
              | Foundations (Soil Engineering)               | 
              | Founder Effect               | 
              | Foundry               | 
              | Fountaingrass use Pennisetum               | 
              | Four Corners Virus use Sin Nombre virus               | 
              | Four-Dimensional Computed Tomography               | 
              | Fourier Analysis               | 
              | Fourier Series use Fourier Analysis               | 
              | Fourier Transform use Fourier Analysis               | 
              | Fourier Transform Infrared Spectroscopy use Spectroscopy, Fourier Transform Infrared               | 
              | Fournier Disease use Fournier Gangrene               | 
              | Fournier Gangrene               | 
              | Fournier's Gangrene use Fournier Gangrene               | 
              | Fourth Cranial Nerve use Trochlear Nerve               | 
              | Fourth Cranial Nerve Diseases use Trochlear Nerve Diseases               | 
              | Fourth Ventricle               | 
              | Fovea Centralis               | 
              | Foveavirus use Flexiviridae               | 
              | Foville Syndrome use Brain Stem Infarctions               | 
              | Fowl Adenovirus 1 use Fowl adenovirus A               | 
              | Fowl adenovirus A               | 
              | Fowl Diphtheria use Fowlpox               | 
              | Fowl Paralysis use Marek Disease               | 
              | Fowl Paralysis Virus use Herpesvirus 2, Gallid               | 
              | Fowl Plague use Influenza in Birds               | 
              | Fowl Plague Virus use Influenza A virus               | 
              | Fowlpox               | 
              | Fowlpox virus               | 
              | Fowls, Domestic use Poultry               | 
              | Fox-Fordyce Disease               | 
              | Foxes               | 
              | Foxglove use Digitalis               | 
              | Foxglove, Chinese use Rehmannia               | 
              | FPLV use Feline panleukopenia virus               | 
              | Fpp Scale use Fujita-Pearson Scale               | 
              | fps Proto-Oncogene Protein use Proto-Oncogene Proteins c-fes               | 
              | Fractals               | 
              | Fractional Flow Reserve, Myocardial               | 
              | Fractional Precipitation               | 
              | Fractionation, Chemical use Chemical Fractionation               | 
              | Fractionation, Field Flow               | 
              | Fractionationed Drugs               | 
              | Fracture Fixation               | 
              | Fracture Fixation, Internal               | 
              | Fracture Fixation, Intramedullary               | 
              | Fracture Healing               | 
              | Fracture Zone               | 
              | Fractures, Blow-Out use Orbital Fractures               | 
              | Fractures, Bone               | 
              | Fractures, Cartilage               | 
              | Fractures, Closed               | 
              | Fractures, Comminuted               | 
              | Fractures, Compound use Fractures, Open               | 
              | Fractures, Compression               | 
              | Fractures, Fatigue use Fractures, Stress               | 
              | Fractures, Malunited               | 
              | Fractures, March use Fractures, Stress               | 
              | Fractures, Occult use Fractures, Closed               | 
              | Fractures, Open               | 
              | Fractures, Pathological use Fractures, Spontaneous               | 
              | Fractures, Spontaneous               | 
              | Fractures, Stress               | 
              | Fractures, Ununited               | 
              | Fragaria               | 
              | Fragaria vesca               | 
              | Fragile Sites, Chromosome use Chromosome Fragile Sites               | 
              | Fragile X Mental Retardation Protein               | 
              | Fragile X Syndrome               | 
              | Fragilitas Ossium use Osteogenesis Imperfecta               | 
              | Fragrant Sumach use Rhus aromatica               | 
              | Frail Elderly               | 
              | Frail Older Adults use Frail Elderly               | 
              | Frambesia use Yaws               | 
              | Framboesinum               | 
              | Frameshift Mutation               | 
              | Frameshift Suppressor Genes use Genes, Suppressor               | 
              | Frameshifting, Ribosomal               | 
              | Frameshifting, Translational use Frameshifting, Ribosomal               | 
              | Framycetin               | 
              | France               | 
              | Franciscaea uniflora               | 
              | Franciscana use Dolphins               | 
              | Francisella               | 
              | Francisella tularensis               | 
              | Francisella tularensis Infection use Tularemia               | 
              | Francisellaceae use Francisella               | 
              | Francium               | 
              | Frangula               | 
              | Frangula Emodin use Emodin               | 
              | Frankia               | 
              | Frankincense use Boswellia               | 
              | Franklin Disease use Heavy Chain Disease               | 
              | Franzensbad Aqua               | 
              | Franzensbad Springs use Franzensbad Aqua               | 
              | Fraser Syndrome               | 
              | Fraser's Dolphin use Dolphins               | 
              | Frasier Syndrome               | 
              | Fraud               | 
              | Fraud, Health Care use Fraud               | 
              | Fraud, Scientific use Scientific Misconduct               | 
              | Fraudulent Data use Scientific Misconduct               | 
              | FRAXA Syndrome use Fragile X Syndrome               | 
              | FRAXE Syndrome use Fragile X Syndrome               | 
              | Fraxinella use Dictamnus albus               | 
              | Fraxinus               | 
              | Fraxinus americana               | 
              | Frech-Water Sponge use Badiaga               | 
              | Freckle, Melanotic use Hutchinson's Melanotic Freckle               | 
              | Freckles use Melanosis               | 
              | Free Association               | 
              | Free Available Chlorine               | 
              | Free Distribution of Drugs use National Drug Policy               | 
              | Free Fatty Acids use Fatty Acids, Nonesterified               | 
              | Free Flaps use Free Tissue Flaps               | 
              | Free Radical Scavengers               | 
              | Free Radicals               | 
              | Free Silica               | 
              | Free Tissue Flaps               | 
              | Freedom               | 
              | Freedom of Information Act Requests use Access to Information               | 
              | Freemartinism               | 
              | Freeze Drying               | 
              | Freeze Etching               | 
              | Freeze Fracturing               | 
              | Freeze Substitution               | 
              | Freezing               | 
              | Freezing Reaction, Cataleptic               | 
              | French Guiana               | 
              | French Lilac use Galega officinalis               | 
              | French Polinesia use Polynesia               | 
              | French Revolution               | 
              | French Somaliland use Djibouti               | 
              | French-Speaking Africa use Africa, Northern               | 
              | Frenum, Labial use Labial Frenum               | 
              | Frenum, Lingual use Lingual Frenum               | 
              | Freons use Chlorofluorocarbons, Methane               | 
              | Fresh Frozen Plasma use Plasma               | 
              | Fresh Plant Extracts               | 
              | Fresh Water               | 
              | Fresh-Water Crab use Astacus fluviatilis               | 
              | Freshets use Floods               | 
              | Freshwater Biology               | 
              | Freudian Theory               | 
              | Freund's Adjuvant               | 
              | Frey Syndrome use Sweating, Gustatory               | 
              | Friction               | 
              | Friedreich Ataxia               | 
              | Friedreich Disease use Friedreich Ataxia               | 
              | Friend murine leukemia virus               | 
              | Friend Spleen Focus-Forming Virus use Spleen Focus-Forming Viruses               | 
              | Friend Virus use Friend murine leukemia virus               | 
              | Friends               | 
              | Friendship use Friends               | 
              | Frigidity use Sexual Dysfunctions, Psychological               | 
              | Fringe Benefits use Salaries and Fringe Benefits               | 
              | Fringe-tree use Chionanthus virginica               | 
              | Fritillaria               | 
              | Fritillary use Fritillaria               | 
              | Frizzled Receptors               | 
              | Froehlich's Syndrome use Hypothalamic Diseases               | 
              | Frog Venoms use Amphibian Venoms               | 
              | Frog Viruses use Ranavirus               | 
              | Frog, Common European use Rana temporaria               | 
              | Frog, Green use Rana esculenta               | 
              | Frog, Leopard use Rana pipiens               | 
              | Frogs and Toads use Anura               | 
              | Frogs, True use Ranidae               | 
              | Frommel's Disease use Chiari-Frommel Syndrome               | 
              | Frons use Forehead               | 
              | Front               | 
              | Frontal Bone               | 
              | Frontal Encephalocele use Encephalocele               | 
              | Frontal Epilepsy, Benign, Childhood use Epilepsy, Frontal Lobe               | 
              | Frontal Lobe               | 
              | Frontal Lobe Epilepsy use Epilepsy, Frontal Lobe               | 
              | Frontal Region Trauma use Craniocerebral Trauma               | 
              | Frontal Sinus               | 
              | Frontal Sinusitis               | 
              | Frontier Water               | 
              | Frontotemporal Dementia               | 
              | Frontotemporal Lobar Degeneration               | 
              | Frost               | 
              | Frostbite               | 
              | Frozen Foods               | 
              | Frozen Sections               | 
              | Frozen Semen use Semen Preservation               | 
              | Frozen Shoulder use Bursitis               | 
              | Fructans               | 
              | Fructokinases               | 
              | Fructosamine               | 
              | Fructose               | 
              | Fructose Intolerance               | 
              | Fructose Metabolism, Inborn Errors               | 
              | Fructose-1,6-Bisphosphatase use Fructose-Bisphosphatase               | 
              | Fructose-1,6-Bisphosphatase Deficiency use Fructose-1,6-Diphosphatase Deficiency               | 
              | Fructose-1,6-Diphosphatase use Fructose-Bisphosphatase               | 
              | Fructose-1,6-Diphosphatase Deficiency               | 
              | Fructose-2,6-Bisphosphatase use Phosphofructokinase-2               | 
              | Fructose-Biphosphatase Deficiency use Fructose-1,6-Diphosphatase Deficiency               | 
              | Fructose-Bisphosphatase               | 
              | Fructose-Bisphosphate Aldolase               | 
              | Fructosediphosphatase use Fructose-Bisphosphatase               | 
              | Fructosediphosphate Aldolase use Fructose-Bisphosphate Aldolase               | 
              | Fructosediphosphates               | 
              | Fructosephosphates               | 
              | Fructuronate Reductase               | 
              | Fructus Hippophae use Hippophae               | 
              | Fruit               | 
              | Fruit Beverage use Juices               | 
              | Fruit Beverages use Juices               | 
              | Fruit Fly, Caribbean use Tephritidae               | 
              | Fruit Fly, Drosophila use Drosophila               | 
              | Fruit Fly, Mediterranean use Ceratitis capitata               | 
              | Fruit Fly, Mexican use Tephritidae               | 
              | Fruit Fly, Queensland use Tephritidae               | 
              | Fruit Jam               | 
              | Fruit Juice use Juices               | 
              | Fruit Juices use Juices               | 
              | Fruit, Citrus use Citrus               | 
              | Fruit, Miracle use Synsepalum               | 
              | Fruiting Bodies, Fungal               | 
              | Fruits in Syrup               | 
              | Frullania               | 
              | Frusemide use Furosemide               | 
              | Frustration               | 
              | FSH (Follicle Stimulating Hormone) use Follicle Stimulating Hormone               | 
              | FSH Receptors use Receptors, FSH               | 
              | FSH, alpha Subunit use Glycoprotein Hormones, alpha Subunit               | 
              | FSH, beta Subunit use Follicle Stimulating Hormone, beta Subunit               | 
              | FSH-Releasing Hormone use Gonadotropin-Releasing Hormone               | 
              | FTA-ABS Test use Fluorescent Treponemal Antibody-Absorption Test               | 
              | FTIR use Spectroscopy, Fourier Transform Infrared               | 
              | FTLV use Immunodeficiency Virus, Feline               | 
              | Fuchs' Endothelial Dystrophy               | 
              | Fuchsins use Rosaniline Dyes               | 
              | Fuchsinum               | 
              | Fucose               | 
              | Fucosidase use alpha-L-Fucosidase               | 
              | Fucosidase Deficiency Disease use Fucosidosis               | 
              | Fucosidosis               | 
              | Fucosyl Galactose Acetylgalactosaminyltransferase use Fucosyl Galactose alpha-N-Acetylgalactosaminyltransferase               | 
              | Fucosyl Galactose alpha-N-Acetylgalactosaminyltransferase               | 
              | Fucosyltransferases               | 
              | Fucsinum use Fuchsinum               | 
              | Fucus               | 
              | Fucus helminthochorton use Helminthochortos               | 
              | Fucus vesiculosus               | 
              | FUdR use Floxuridine               | 
              | Fuel Oils               | 
              | Fuel Services use Filling Station               | 
              | Fuel Stations use Filling Station               | 
              | Fuels               | 
              | Fugu Toxin use Tetrodotoxin               | 
              | Fugue use Dissociative Disorders               | 
              | Fujinami Sarcoma Virus use Avian Sarcoma Viruses               | 
              | Fujita-Pearson Scale               | 
              | Fukuhara Disease use MERRF Syndrome               | 
              | Fukuyama Congenital Muscular Dystrophy use Walker-Warburg Syndrome               | 
              | Fukuyama Type Congenital Muscular Dystrophy use Walker-Warburg Syndrome               | 
              | Fulgoroidea use Hemiptera               | 
              | Fuligo Ligni               | 
              | Full-Text Databases               | 
              | Full-Text documents               | 
              | Fullerenes               | 
              | Fulminant Meningococcal Sepsis with Adrenal Apoplexy use Waterhouse-Friderichsen Syndrome               | 
              | Fulminating Hepatic Failure use Liver Failure, Acute               | 
              | Fumarase use Fumarate Hydratase               | 
              | Fumarate Hydratase               | 
              | Fumarates               | 
              | Fumaria               | 
              | Fumariaceae               | 
              | Fumaric Acid use Fumaricum Acidum               | 
              | Fumaric Acid Esters use Fumarates               | 
              | Fumaric Aminase use Aspartate Ammonia-Lyase               | 
              | Fumaricum Acidum               | 
              | Fumarylacetoacetase Deficiency Disease use Tyrosinemias               | 
              | Fumewort use Corydalis               | 
              | Fumigation               | 
              | Fumonisins               | 
              | Functional Cerebral Localization use Brain Mapping               | 
              | Functional Claim               | 
              | Functional Food               | 
              | Functional Laterality               | 
              | Functional Properties Claim use Functional Claim               | 
              | Functional Residual Capacity               | 
              | Functionally-Impaired Elderly use Frail Elderly               | 
              | Functioning Authorization               | 
              | Functioning Authorization Certificate               | 
              | Functioning License               | 
              | Fund Raising               | 
              | Fundamental Particles use Elementary Particles               | 
              | Fundibacter use Alcanivoraceae               | 
              | Funding, Capital use Capital Financing               | 
              | Fundoplication               | 
              | Fundulidae               | 
              | Fundulus use Fundulidae               | 
              | Fundulus heteroclitus use Fundulidae               | 
              | Fundus Fluorescence Photography use Fluorescein Angiography               | 
              | Fundus Oculi               | 
              | Funduscopes use Ophthalmoscopes               | 
              | Funeral Rites               | 
              | Funeral Sermons               | 
              | Fungal Antibodies use Antibodies, Fungal               | 
              | Fungal Antigens use Antigens, Fungal               | 
              | Fungal Count use Colony Count, Microbial               | 
              | Fungal DNA use DNA, Fungal               | 
              | Fungal Gene Expression Regulation use Gene Expression Regulation, Fungal               | 
              | Fungal Gene Products use Fungal Proteins               | 
              | Fungal Gene Proteins use Fungal Proteins               | 
              | Fungal Genes use Genes, Fungal               | 
              | Fungal Genome use Genome, Fungal               | 
              | Fungal Infections, Central Nervous System use Central Nervous System Fungal Infections               | 
              | Fungal Lung Diseases use Lung Diseases, Fungal               | 
              | Fungal Meningitis use Meningitis, Fungal               | 
              | Fungal Peptides use Fungal Proteins               | 
              | Fungal Proteins               | 
              | Fungal RNA use RNA, Fungal               | 
              | Fungal Spores use Spores, Fungal               | 
              | Fungal Structures               | 
              | Fungal Toxins use Mycotoxins               | 
              | Fungal Typing Techniques use Mycological Typing Techniques               | 
              | Fungal Vaccines               | 
              | Fungemia               | 
              | Fungi               | 
              | Fungi imperfecti use Mitosporic Fungi               | 
              | Fungi, Filamentous use Fungi               | 
              | Fungi, Mitosporic use Mitosporic Fungi               | 
              | Fungi, Unclassified               | 
              | Fungicides, Industrial               | 
              | Fungicides, Therapeutic use Antifungal Agents               | 
              | Fungus Diseases use Mycoses               | 
              | Fungus Poisoning use Mycotoxicosis               | 
              | Funisitis use Chorioamnionitis               | 
              | Funnel Chest               | 
              | Fur Seals               | 
              | Fura-2               | 
              | Furagin               | 
              | Furaldehyde               | 
              | Furanocoumarins use Psoralens               | 
              | Furanone, tetrahydro-2- use 4-Butyrolactone               | 
              | Furans               | 
              | Furazolidone               | 
              | Furazosin use Prazosin               | 
              | Furcation Defects               | 
              | Furfural use Furaldehyde               | 
              | Furin               | 
              | Furnaces               | 
              | Furniture use Interior Design and Furnishings               | 
              | Furocoumarins use Psoralens               | 
              | Furosemide               | 
              | Furrow Keratitis use Keratitis, Dendritic               | 
              | Fursemide use Furosemide               | 
              | Fursultiamin               | 
              | Furunculosis               | 
              | Furylfuramide               | 
              | FUS RNA-Binding Protein use RNA-Binding Protein FUS               | 
              | fusA Gene Product use Peptide Elongation Factor G               | 
              | fusA Protein use Peptide Elongation Factor G               | 
              | Fusaric Acid               | 
              | Fusaritoxin use T-2 Toxin               | 
              | Fusarium               | 
              | Fused Teeth               | 
              | Fuselloviridae               | 
              | Fusellovirus use Fuselloviridae               | 
              | Fushi Tarazu Transcription Factors               | 
              | Fusidic Acid               | 
              | Fusin use Receptors, CXCR4               | 
              | Fusion Inhibitors, HIV use HIV Fusion Inhibitors               | 
              | Fusion Proteins, bcr-abl               | 
              | Fusion Proteins, gag-fos-fox use Oncogene Proteins v-fos               | 
              | Fusion Proteins, gag-jun use Oncogene Protein p65(gag-jun)               | 
              | Fusion Proteins, gag-mos use Oncogene Proteins v-mos               | 
              | Fusion Proteins, gag-onc               | 
              | Fusion Proteins, gag-pol               | 
              | Fusion Proteins, Recombinant use Recombinant Fusion Proteins               | 
              | Fusion Proteins, tpr-met use Oncogene Protein tpr-met               | 
              | Fusion Proteins, Viral use Viral Fusion Proteins               | 
              | Fusion Regulatory Protein-1 use Antigens, CD98               | 
              | Fusobacteria               | 
              | Fusobacteriaceae Infections               | 
              | Fusobacterium               | 
              | Fusobacterium Infections               | 
              | Fusobacterium necrophorum               | 
              | Fusobacterium nucleatum               | 
              | Futile Cycling use Substrate Cycling               | 
              | Futile Treatment use Medical Futility               | 
              | Futurology use Forecasting               | 
              | Fuzzy Logic               | 
              | fyn Proto-Oncogene Proteins use Proto-Oncogene Proteins c-fyn               |