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Subjects
- Acquired Immunodeficiency Syndrome -- prevention & control111
- Condoms72
- Safe Sex70
- Health Promotion20
- Homosexuality, Male19
- Sexual Behavior18
- Acquired Immunodeficiency Syndrome -- transmission12
- Sexual Partners12
- Poliomyelitis -- prevention & control10
- Poliovirus Vaccine, Oral10
- Vaccination10
- Acquired Immunodeficiency Syndrome -- psychology8
- Acquired Immunodeficiency Syndrome7
- Health Behavior7
- Sexually Transmitted Diseases -- prevention & control7
- Anniversaries and Special Events6
- Drug Therapy6
- Health Knowledge, Attitudes, Practice6
- Health Education5
- Lubricants5