Oral sex: it's up to you.
Wohlfeiler
D
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STOP AIDS, San Francisco, CA.
D017280:Condoms; D005260:Female; D015658:HIV Infections / Q000517:prevention & control*; D015438:Health Behavior; D018451:Homosexuality, Male; D006801:Humans; D007258:Informed Consent; D008297:Male; D009910:Oral Hygiene; D012725:Sexual Behavior