title: Estimating HIV prevalence in Switzerland.
authors.forename: M
authors.initials: M
authors.lastname: Zwahlen
authors.forename: B
authors.initials: B
authors.lastname: Ledergerber
mesh_terms: D001727:Bisexuality; D015331:Cohort Studies; D004812:Epidemiologic Methods; D015528:HIV Seroprevalence; D006716:Homosexuality; D006801:Humans; D008297:Male; D015819:Substance Abuse, Intravenous; D013557:Switzerland / Q000453:epidemiology