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Subjects
- Safe Sex[remove]41
- Acquired Immunodeficiency Syndrome -- prevention & control34
- Condoms33
- Homosexuality, Male6
- Sexual Behavior6
- Sexually Transmitted Diseases -- prevention & control6
- Sexual Partners3
- Health Promotion2
- Lubrication2
- Acquired Immunodeficiency Syndrome -- psychology1
- Hotlines1
- Needle Sharing -- adverse effects1
- Sexual Abstinence1