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Subjects
- Condoms -- standards1
- Culicidae1
- Emblems and Insignia1
- Empathy1
- HIV Infections -- prevention & control1
- Health Knowledge, Attitudes, Practice1
- Homosexuality, Male1
- Lip1
- Materials Testing1
- Needle Sharing -- adverse effects1
- Piloerection1
- Sexual Partners -- psychology1
- Shame1
- Substance Abuse, Intravenous -- prevention & control1
- Unsafe Sex -- prevention & control1