A - Anatomy 
       
      
         
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    A02 - Musculoskeletal System 
      
      A11 - Cells 
      
      A14 - Stomatognathic System 
      
        
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    B - Organisms 
       
      
         
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    B03 - Bacteria 
      
        
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    C - Diseases 
       
      
         
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    C01 - Bacterial Infections and Mycoses 
      
      C04 - Neoplasms 
      
      C05 - Musculoskeletal Diseases 
      
      C06 - Digestive System Diseases 
      
      C08 - Respiratory Tract Diseases 
      
      C10 - Nervous System Diseases 
      
      C13 - Female Urogenital Diseases and Pregnancy Complications 
      
      C23 - Pathological Conditions, Signs and Symptoms 
      
        
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    D - Chemicals and Drugs 
       
      
         
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    D01 - Inorganic Chemicals 
      
      D02 - Organic Chemicals 
      
      D03 - Heterocyclic Compounds 
      
      D04 - Polycyclic Compounds 
      
      D06 - Hormones, Hormone Substitutes, and Hormone Antagonists 
      
      D08 - Enzymes and Coenzymes 
      
      D12 - Amino Acids, Peptides, and Proteins 
      
      D20 - Complex Mixtures 
      
      D23 - Biological Factors 
      
      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 
      
      E05 - Investigative Techniques 
      
        
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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 
      
        
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    G - Phenomena and Processes 
       
      
         
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    G01 - Physical Phenomena 
      
      G02 - Chemical 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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    HP4 - Materia Medica 
      
      HP6 - Homeopathic Semiology 
      
        
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    I - Anthropology, Education, Sociology and Social Phenomena 
       
      
         
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    I02 - Education 
      
        
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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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    M - Named Groups 
       
      
         
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    M01 - Persons 
      
        
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    N - Health Care 
       
      
         
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    N02 - Health Care Facilities, Manpower, 
      and Services 
      
      N05 - Health Care Quality, Access, and Evaluation 
      
      N06 - Environment and Public Health 
      
        
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    SH - Science and Health 
       
      
         
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    SH1 - Health Sciences, Technology and 
      Innovation Management 
      
        
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    SP - Public Health 
       
      
         
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    SP2 - Health Care (Public Health) 
      
      SP4 - Environmental Health 
      
      SP5 - Epidemiology and Biostatistics 
      
      SP8 - Disasters 
      
      SP9 - Health Law 
      
        
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    VS - Health Surveillance 
       
      
         
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    VS1 - Health Surveillance System 
      
      VS2 - Health Surveillance of Products 
      
      VS4 - Environmental Health Surveillance 
      
      
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