A - Anatomy
 
 
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A08 - Nervous System A10 - Tissues A11 - Cells A17 - Integumentary System A19 - Fungal Structures
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B - Organisms
 
 
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C - Diseases
 
 
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C02 - Virus Diseases C03 - Parasitic Diseases C04 - Neoplasms C05 - Musculoskeletal Diseases C06 - Digestive System Diseases C07 - Stomatognathic Diseases C08 - Respiratory Tract Diseases C09 - Otorhinolaryngologic Diseases C10 - Nervous System Diseases C12 - Male Urogenital Diseases C13 - Female Urogenital Diseases and Pregnancy Complications C14 - Cardiovascular Diseases C15 - Hemic and Lymphatic Diseases C16 - Congenital, Hereditary, and Neonatal Diseases and Abnormalities C17 - Skin and Connective Tissue Diseases C20 - Immune System Diseases C23 - Pathological Conditions, Signs and Symptoms C25 - Substance-Related Disorders
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D - Chemicals and Drugs
 
 
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D01 - Inorganic Chemicals D02 - Organic Chemicals D03 - Heterocyclic Compounds D05 - Macromolecular Substances D08 - Enzymes and Coenzymes D09 - Carbohydrates D10 - Lipids D12 - Amino Acids, Peptides, and Proteins D13 - Nucleic Acids, Nucleotides, and Nucleosides D20 - Complex Mixtures D23 - Biological Factors D25 - Biomedical and Dental Materials D26 - Pharmaceutical Preparations D27 - Chemical Actions and Uses
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E - Analytical, Diagnostic and Therapeutic Techniques and Equipment
 
 
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E01 - Diagnosis E02 - Therapeutics E04 - Surgical Procedures, Operative E05 - Investigative Techniques E06 - Dentistry E07 - Equipment and Supplies
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F - Psychiatry and Psychology
 
 
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F01 - Behavior and Behavior Mechanisms F02 - Psychological Phenomena and Processes F03 - Mental Disorders F04 - Behavioral Disciplines and Activities
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G - Phenomena and Processes
 
 
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G01 - Physical Phenomena G02 - Chemical Phenomena G04 - Cell Physiological Phenomena G05 - Genetic Phenomena G07 - Physiological Phenomena G08 - Reproductive and Urinary Physiological Phenomena G09 - Circulatory and Respiratory Physiological Phenomena G13 - Integumentary System Physiological Phenomena G15 - Plant Physiological Phenomena G16 - Biological Phenomena
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H - Disciplines and Occupations
 
 
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H01 - Natural Science Disciplines H02 - Health Occupations
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HP - Homeopathy
 
 
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I - Anthropology, Education, Sociology and Social Phenomena
 
 
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I01 - Social Sciences I03 - Human Activities
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J - Technology, Industry, Agriculture
 
 
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J01 - Technology, Industry, and Agriculture J02 - Food and Beverages
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K - Humanities
 
 
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L - Information Science
 
 
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L01 - Information Science
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M - Named Groups
 
 
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N - Health Care
 
 
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N01 - Population Characteristics N02 - Health Care Facilities, Manpower, and Services N03 - Health Care Economics and Organizations N04 - Health Services Administration N05 - Health Care Quality, Access, and Evaluation N06 - Environment and Public Health
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SP - Public Health
 
 
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SP1 - Health Policy, Planning and Management SP2 - Health Care (Public Health) SP4 - Environmental Health SP6 - Nutrition, Public Health SP8 - Disasters SP9 - Health Law
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V - Publication Characteristics
 
 
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V02 - Publication Formats
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VS - Health Surveillance
 
 
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VS2 - Health Surveillance of Products VS4 - Environmental Health Surveillance
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Z - Geographicals
 
 
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Z01 - Geographic Locations
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