title: An epidemiologic evaluation of long-term methadone maintenance treatment for heroin addiction.
mesh_terms: D000293:Adolescent; D000328:Adult; D004522:Educational Status; D004651:Employment; D004812:Epidemiologic Methods; D005006:Ethnicity; D005260:Female; D005500:Follow-Up Studies; D006556:Heroin Dependence / Q000188:drug therapy / Q000401:mortality / Q000534:rehabilitation*; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage / Q000627:therapeutic use*; D008875:Middle Aged; D009519:New York City; D009790:Occupations; D012920:Social Behavior Disorders / Q000453:epidemiology; D013997:Time Factors
chemical_list: D008691:Methadone