HIV prevention for intravenous drug users.
Epstein
A
A
D015658:HIV Infections / Q000517:prevention & control* / Q000635:transmission*; D006801:Humans; D007880:Legislation, Drug; D018671:Needle-Exchange Programs; D009511:New England; D015819:Substance Abuse, Intravenous; D013594:Syringes