title: Methadone maintenance treatment. Five years later--where are they now?
mesh_terms: D000328:Adult; D000368:Aged; D002322:Career Mobility; D003415:Crime; D003710:Demography; D004651:Employment; D005260:Female; D005500:Follow-Up Studies; D006556:Heroin Dependence / Q000188:drug therapy* / Q000534:rehabilitation; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage* / Q000627:therapeutic use; D008875:Middle Aged; D009519:New York City; D009790:Occupations; D010352:Patient Dropouts; D012919:Social Behavior; D019966:Substance-Related Disorders / Q000453:epidemiology
chemical_list: D008691:Methadone