title: A mortality study of waiting list patients at the Boston City Hospital methadone maintenance clinic.
mesh_terms: D001071:Appointments and Schedules; D001900:Boston; D003153:Community Health Services; D004470:Economics, Medical; D006556:Heroin Dependence / Q000188:drug therapy / Q000401:mortality*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D014850:Waiting Lists
chemical_list: D008691:Methadone