title: Current issues in methadone treatment of heroin dependence.
mesh_terms: D000293:Adolescent; D000328:Adult; D003932:Heroin; D006801:Humans; D008691:Methadone / Q000008:administration & dosage / Q000627:therapeutic use*; D009021:Morphine Dependence / Q000188:drug therapy*; D014481:United States
chemical_list: D003932:Heroin; D008691:Methadone