title: The case for success in narcotic drug addiction.
mesh_terms: D003932:Heroin; D006801:Humans; D008396:Maryland; D008691:Methadone / Q000627:therapeutic use*; D010044:Outpatient Clinics, Hospital; D012922:Social Change; D019966:Substance-Related Disorders / Q000534:rehabilitation*
chemical_list: D003932:Heroin; D008691:Methadone