title: Objections to methadone regulations.
mesh_terms: D004335:Drug and Narcotic Control; D003932:Heroin; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D019966:Substance-Related Disorders / Q000188:drug therapy*; D014481:United States
chemical_list: D003932:Heroin; D008691:Methadone