title: Effectiveness of syringe exchange programs in reducing HIV risk behavior and HIV seroconversion among injecting drug users.
authors.forename: D R
authors.initials: DR
authors.lastname: Gibson
authors.forename: N M
authors.initials: NM
authors.lastname: Flynn
authors.forename: D
authors.initials: D
authors.lastname: Perales
mesh_terms: D016022:Case-Control Studies; D003430:Cross-Sectional Studies; D003625:Data Collection; D006679:HIV Seropositivity / Q000635:transmission*; D006801:Humans; D018671:Needle-Exchange Programs; D011446:Prospective Studies; D018570:Risk Assessment; D012309:Risk-Taking; D015819:Substance Abuse, Intravenous