title: Harm reduction and needle exchange programmes.
authors.forename: R N
authors.initials: RN
authors.lastname: Bluthenthal
authors.forename: A H
authors.initials: AH
authors.lastname: Kral
authors.forename: J
authors.initials: J
authors.lastname: Lorvick
authors.forename: E A
authors.initials: EA
authors.lastname: Erringer
authors.forename: B R
authors.initials: BR
authors.lastname: Edlin
mesh_terms: D003430:Cross-Sectional Studies; D062787:Drug Overdose / Q000209:etiology*; D006801:Humans; D016015:Logistic Models; D018671:Needle-Exchange Programs; D012495:San Francisco; D015819:Substance Abuse, Intravenous