HIV and AIDS. Safer sex.
John Hunter Clinic, London.
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Barton
D003376:Counseling / Q000379:methods; D005194:Family Practice; D005260:Female; D015658:HIV Infections / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D008297:Male; D012307:Risk Factors; D012725:Sexual Behavior