Anatomy [A]|398932
Organisms [B]|807657
Diseases [C]|606124
Chemicals and Drugs [D]|1143503
Analytical, Diagnostic and Therapeutic Techniques and Equipment [E]|1039055
Psychiatry and Psychology [F]|223470
Biological Sciences [G]|1188734
Physical Sciences [H]|466033
Anthropology, Education, Sociology and Social Phenomena [I]|125829
Technology and Food and Beverages [J]|57177
Humanities [K]|31871
Information Science [L]|192125
Persons [M]|440768
Health Care [N]|608007
Publication Characteristics [V]|423370
Geographic Locations [Z]|106395

Algae [B02]|1412
Amino Acids, Peptides, and Proteins [D12]|425549
Anesthesia and Analgesia [E03]|5441
Animal Diseases [C22]|16573
Animal Structures [A13]|4906
Animals [B01]|703967
Archaea [B07]|977
Bacteria [B03]|36411
Bacterial Infections and Mycoses [C01]|34238
Behavior and Behavior Mechanisms [F01]|111051
Behavioral Disciplines and Activities [F04]|24842
Biochemical Phenomena, Metabolism, and Nutrition [G06]|209024
Biological Factors [D23]|109930
Biological Phenomena, Cell Phenomena, and Immunity [G04]|142267
Biological Sciences [G01]|35282
Biomedical and Dental Materials [D25]|21882
Body Regions [A01]|16077
Carbohydrates [D09]|41781
Cardiovascular Diseases [C14]|72761
Cardiovascular System [A07]|32404
Cells [A11]|171534
Chemical Actions and Uses [D27]|173047
Chemical and Pharmacologic Phenomena [G12]|60205
Circulatory and Respiratory Physiology [G09]|40795
Complex Mixtures [D20]|19791
Congenital, Hereditary, and Neonatal Diseases and Abnormalities [C16]|26021
Dentistry [E06]|13277
Diagnosis [E01]|251402
Digestive System [A03]|22926
Digestive System Diseases [C06]|46177
Digestive, Oral, and Skin Physiology [G10]|6537
Disorders of Environmental Origin [C21]|36023
Education [I02]|28373
Embryonic Structures [A16]|11170
Endocrine System [A06]|8585
Endocrine System Diseases [C19]|26089
Environment and Public Health [G03]|422819
Enzymes and Coenzymes [D08]|122119
Equipment and Supplies [E07]|34115
Eye Diseases [C11]|15740
Female Genital Diseases and Pregnancy Complications [C13]|23688
Fluids and Secretions [A12]|12307
Food and Beverages [J02]|20911
Fungi [B05]|11448
Genetic Phenomena [G13]|80183
Genetic Processes [G05]|82529
Genetic Structures [G14]|72692
Geographic Locations [Z01]|106395
Health Care Economics and Organizations [N03]|60423
Health Care Facilities, Manpower, and Services [N02]|85397
Health Care Quality, Access, and Evaluation [N05]|379186
Health Occupations [G02]|36057
Health Services Administration [N04]|122125
Hemic and Immune Systems [A15]|43242
Hemic and Lymphatic Diseases [C15]|19473
Heterocyclic Compounds [D03]|77755
Hormones, Hormone Substitutes, and Hormone Antagonists [D06]|32274
Human Activities [I03]|12135
Humanities [K01]|31871
Immune System Diseases [C20]|36798
Information Science [L01]|192125
Inorganic Chemicals [D01]|83271
Integumentary System [A17]|4693
Investigative Techniques [E05]|644201
Lipids [D10]|35535
Macromolecular Substances [D05]|29971
Mental Disorders [F03]|34206
Mesomycetozoea [B08]|10
Musculoskeletal Diseases [C05]|24431
Musculoskeletal System [A02]|36924
Musculoskeletal, Neural, and Ocular Physiology [G11]|66032
Natural Sciences [H01]|466033
Neoplasms [C04]|124982
Nervous System [A08]|65699
Nervous System Diseases [C10]|75665
Nucleic Acids, Nucleotides, and Nucleosides [D13]|71645
Nutritional and Metabolic Diseases [C18]|32359
Organic Chemicals [D02]|123765
Otorhinolaryngologic Diseases [C09]|8791
Parasitic Diseases [C03]|8247
Pathological Conditions, Signs and Symptoms [C23]|142678
Persons [M01]|440768
Pharmaceutical Preparations [D26]|20572
Physiological Processes [G07]|88076
Plants [B06]|34868
Polycyclic Compounds [D04]|38489
Population Characteristics [N01]|67251
Psychological Phenomena and Processes [F02]|65603
Publication Components [Publication Type] [V01]|36254
Publication Formats [Publication Type] [V02]|0
Reproductive and Urinary Physiology [G08]|43707
Respiratory System [A04]|9651
Respiratory Tract Diseases [C08]|32899
Sense Organs [A09]|11689
Skin and Connective Tissue Diseases [C17]|30800
Social Sciences [I01]|85446
Stomatognathic Diseases [C07]|11966
Stomatognathic System [A14]|10118
Study Characteristics [Publication Type] [V03]|77717
Support of Research [V04]|309399
Surgical Procedures, Operative [E04]|93556
Technology, Industry, and Agriculture [J01]|36266
Therapeutics [E02]|112285
Tissues [A10]|38513
Urogenital System [A05]|21191
Urologic and Male Genital Diseases [C12]|27157
Virus Diseases [C02]|25017
Viruses [B04]|20438