title: The new methadone regulations.
mesh_terms: D003157:Community Pharmacy Services; D003932:Heroin; D006556:Heroin Dependence / Q000188:drug therapy; D006801:Humans; D007880:Legislation, Drug; D008691:Methadone / Q000008:administration & dosage / Q000627:therapeutic use*; D010146:Pain; D010607:Pharmacy Service, Hospital; D019966:Substance-Related Disorders / Q000188:drug therapy*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D003932:Heroin; D008691:Methadone