title: Preventing the sexual spread of HIV infection--what have we learned?
authors.forename: S
authors.initials: S
authors.lastname: Thornton
authors.forename: J
authors.initials: J
authors.lastname: Catalan
mesh_terms: D003142:Communication; D017280:Condoms / Q000706:statistics & numerical data; D005260:Female; D015658:HIV Infections / Q000517:prevention & control* / Q000635:transmission*; D006801:Humans; D008297:Male; D012725:Sexual Behavior / Q000523:psychology; D015819:Substance Abuse, Intravenous / Q000150:complications