title: Needle-exchange programmes in the USA.
authors.forename: K A
authors.initials: KA
authors.lastname: Ward
authors.forename: M
authors.initials: M
authors.lastname: Newlands
authors.forename: D W
authors.initials: DW
authors.lastname: Bullock
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission; D004739:England; D006509:Hepatitis B / Q000453:epidemiology / Q000635:transmission; D006801:Humans; D018671:Needle-Exchange Programs; D015819:Substance Abuse, Intravenous; D014481:United States