title: Preventing the spread of HIV infection.
authors.forename: P D
authors.initials: PD
authors.lastname: French
authors.forename: D E
authors.initials: DE
authors.lastname: Mercey
authors.forename: D R
authors.initials: DR
authors.lastname: Tomlinson
authors.forename: J R
authors.initials: JR
authors.lastname: Harris
mesh_terms: D006069:Gonorrhea / Q000635:transmission*; D015658:HIV Infections / Q000517:prevention & control*; D007722:Health Knowledge, Attitudes, Practice; D006716:Homosexuality; D006801:Humans; D008131:London; D008297:Male; D012725:Sexual Behavior