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Subjects
- Condoms[remove]47
- Safe Sex[remove]47
- Acquired Immunodeficiency Syndrome -- prevention & control37
- Sexual Behavior9
- Homosexuality, Male8
- Sexually Transmitted Diseases -- prevention & control8
- Health Promotion6
- Health Knowledge, Attitudes, Practice2
- Lubrication2
- AIDS Serodiagnosis1
- HIV Infections -- prevention & control1
- Health Behavior1
- Hotlines1
- Needle Sharing -- adverse effects1