title: Patterns of drop-outs from a methadone program for natcotic addicts.
mesh_terms: D000328:Adult; D001071:Appointments and Schedules; D003299:Cooperative Behavior; D003417:Criminal Psychology; D004651:Employment; D005069:Evaluation Studies as Topic; D005260:Female; D003932:Heroin; D006801:Humans; D008297:Male; D008691:Methadone / Q000627:therapeutic use*; D009042:Motivation; D009294:Narcotics; D010044:Outpatient Clinics, Hospital; D012008:Recurrence; D012621:Seasons; D012917:Social Adjustment; D012919:Social Behavior; D019966:Substance-Related Disorders / Q000188:drug therapy* / Q000534:rehabilitation
chemical_list: D009294:Narcotics; D003932:Heroin; D008691:Methadone