title: The operation of the data system in the methadone maintenance treatment program for heroin addiction.
mesh_terms: D003153:Community Health Services; D003201:Computers; D003710:Demography; D003932:Heroin; D006761:Hospitals; D006801:Humans; D007255:Information Services; D007256:Information Systems; D007603:Jurisprudence; D008691:Methadone / Q000627:therapeutic use*; D009021:Morphine Dependence / Q000188:drug therapy* / Q000652:urine; D009519:New York City; D011996:Records; D012959:Socioeconomic Factors
chemical_list: D003932:Heroin; D008691:Methadone