Drug abuse and human immunodeficiency virus infection in Scotland.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology / Q000628:therapy / Q000635:transmission*; D003376:Counseling; D004196:Disease Outbreaks; D004197:Disease Reservoirs; D006801:Humans; D008403:Mass Screening; D012306:Risk; D012606:Scotland; D012725:Sexual Behavior; D019966:Substance-Related Disorders