title: Private methadone maintenance. Analysis of a program after one year.
mesh_terms: D000328:Adult; D044383:Black People; D003153:Community Health Services; D005069:Evaluation Studies as Topic; D003932:Heroin / Q000652:urine; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D009519:New York City; D011647:Puerto Rico; D012050:Rehabilitation, Vocational; D019966:Substance-Related Disorders / Q000534:rehabilitation*; D044465:White People; D001741:Black or African American
chemical_list: D003932:Heroin; D008691:Methadone