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Subjects
- Acquired Immunodeficiency Syndrome3
- Acquired Immunodeficiency Syndrome -- diagnosis1
- Acquired Immunodeficiency Syndrome -- prevention & control13
- Acupuncture21
- Adaptation, Physiological1
- Adolescent2
- Aerospace Medicine -- organization & administration1
- Africa, Western1
- African Americans3
- African Continental Ancestry Group4
- Aged11
- Aircraft3
- Alcohol Drinking1
- Ambulances4
- American Ambulance Hospital.1
- Analgesics -- therapeutic use1
- Anatomy2
- Anatomy -- education1
- Anatomy, Comparative5
- Animals, Laboratory6