title: Unlinked anonymous monitoring of HIV prevalence in England and Wales: data to the end of 1994.
mesh_terms: D000328:Adult; D003219:Confidentiality; D004739:England / Q000453:epidemiology; D005260:Female; D015658:HIV Infections / Q000453:epidemiology* / Q000635:transmission; D006801:Humans; D008297:Male; D008875:Middle Aged; D011159:Population Surveillance; D015995:Prevalence; D012725:Sexual Behavior; D012749:Sexually Transmitted Diseases / Q000453:epidemiology* / Q000635:transmission; D015819:Substance Abuse, Intravenous; D014852:Wales / Q000453:epidemiology