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Subjects
- Accidents, Traffic -- prevention & control1
- Acquired Immunodeficiency Syndrome8
- Acquired Immunodeficiency Syndrome -- prevention & control21
- Acquired Immunodeficiency Syndrome -- psychology1
- Acquired Immunodeficiency Syndrome -- transmission7
- Adolescent3
- Adolescent Development1
- African Americans5
- Aged1
- Agriculture1
- Air Pollutants, Occupational -- adverse effects1
- Alcohol Drinking -- adverse effects3
- Alcohol Drinking -- prevention & control4
- Alcoholic Intoxication1
- Alcoholic Intoxication -- prevention & control5
- Alcoholism -- complications1
- Alzheimer Disease1
- Anniversaries and Special Events2
- Aspirations (Psychology)3
- Australia1