title: Optimism for prison syringe programs.
authors.affiliation: CMAJ.
authors.forename: Roger
authors.initials: R
authors.lastname: Collier
mesh_terms: D002170:Canada; D015658:HIV Infections / Q000517:prevention & control / Q000635:transmission; D006801:Humans; D018671:Needle-Exchange Programs / Q000331:legislation & jurisprudence*; D011330:Prisons; D015819:Substance Abuse, Intravenous / Q000628:therapy*