Intravenous drug users and human immunodeficiency virus testing and counseling.
D006679:HIV Seropositivity / Q000175:diagnosis*; D006801:Humans; D007275:Injections, Intravenous; D008691:Methadone / Q000008:administration & dosage; D009339:Needles; D010353:Patient Education as Topic; D019966:Substance-Related Disorders / Q000534:rehabilitation*
D008691:Methadone