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Male Homosexuality
Sexual Behavior
Condoms
Questionnaires
HIV Infections
Sexually Transmitted Diseases
Herpes Genitalis
Risk Factors
Prevalence
Incidence
HIV Seronegativity
HIV-1
Sexual Partners
Human Herpesvirus 2
Nonoxynols
Anti-Infective Agents
Rectum
Virus Shedding
New Mexico
Peru
Co-Publications
11
5
4
3
2
1
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