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Subjects
- AIDS Serodiagnosis1
- Abnormalities, Drug-Induced -- prevention & control4
- Abortion, Incomplete1
- Abortion, Induced1
- Acquired Immunodeficiency Syndrome1
- Acquired Immunodeficiency Syndrome -- prevention & control3
- Acquired Immunodeficiency Syndrome -- transmission2
- Adolescent2
- Adult2
- Africa1
- African Americans2
- Agriculture1
- Alcohol Drinking -- adverse effects3
- Alcohol Drinking -- prevention & control3
- Amniotomy1
- Analgesia, Epidural1
- Analgesia, Obstetrical1
- Anniversaries and Special Events2
- Anxiety1
- Asian Americans1