title: Methadone: the mechanism of its success.
mesh_terms: D004196:Disease Outbreaks / Q000517:prevention & control; D004335:Drug and Narcotic Control; D005260:Female; D006556:Heroin Dependence / Q000628:therapy*; D006801:Humans; D008691:Methadone / Q000008:administration & dosage / Q000627:therapeutic use*; D011247:Pregnancy; D014481:United States
chemical_list: D008691:Methadone