title: Canada proposes new legal hurdles for supervised injection.
authors.forename: Paul C
authors.initials: PC
authors.lastname: Webster
mesh_terms: D002170:Canada; D033161:Government Regulation; D015658:HIV Infections / Q000150:complications / Q000628:therapy*; D006801:Humans; D018671:Needle-Exchange Programs / Q000331:legislation & jurisprudence*; D016320:Substance Abuse Treatment Centers / Q000331:legislation & jurisprudence*; D015819:Substance Abuse, Intravenous / Q000150:complications / Q000534:rehabilitation*