title: Prevalence of injecting drug use provides the context for epidemiology of HIV among injecting drug users.
authors: M
authors: M
authors: Frischer
authors: S
authors: S
authors: Green
authors: D
authors: D
authors: Goldberg
mesh_terms: D015897:Comorbidity; D005260:Female; D014943:Global Health; D015658:HIV Infections / Q000453:epidemiology* / Q000635:transmission; D006801:Humans; D008297:Male; D012494:Sampling Studies; D012606:Scotland / Q000453:epidemiology; D015819:Substance Abuse, Intravenous / Q000453:epidemiology*