title: Prevalence of HIV infection.
authors.forename: J G
authors.initials: JG
authors.lastname: Thornton
mesh_terms: D004739:England / Q000453:epidemiology; D005260:Female; D015658:HIV Infections / Q000453:epidemiology*; D006801:Humans; D008297:Male; D015995:Prevalence; D012307:Risk Factors; D015819:Substance Abuse, Intravenous