title: Prevention.  Opiate substitute therapy reduces HIV transmission.
mesh_terms: D015658:HIV Infections / Q000150:complications / Q000517:prevention & control / Q000635:transmission*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D009293:Opioid-Related Disorders / Q000150:complications / Q000188:drug therapy*; D015819:Substance Abuse, Intravenous / Q000150:complications
chemical_list: D008691:Methadone