title: Sale and exchange of syringes.
authors.forename: M
authors.initials: M
authors.lastname: Singer
authors.forename: M R
authors.initials: MR
authors.lastname: Weeks
authors.forename: D
authors.initials: D
authors.lastname: Himmelgreen
mesh_terms: D003237:Connecticut; D003430:Cross-Sectional Studies; D015658:HIV Infections / Q000209:etiology*; D018671:Needle-Exchange Programs; D012309:Risk-Taking; D013219:State Government; D015819:Substance Abuse, Intravenous / Q000453:epidemiology*