title: Methadone maintenance treatment of heroin addiction.
mesh_terms: D000284:Administration, Oral; D003932:Heroin / Q000009:adverse effects*; D006801:Humans; D008691:Methadone / Q000008:administration & dosage*; D009021:Morphine Dependence / Q000188:drug therapy*
chemical_list: D003932:Heroin; D008691:Methadone