title: Psychological symptoms in methadone maintenance patients: prevalence and change over treatment.
authors.forename: E
authors.initials: E
authors.lastname: Corty
authors.forename: J C
authors.initials: JC
authors.lastname: Ball
authors.forename: C P
authors.initials: CP
authors.lastname: Myers
mesh_terms: D000328:Adult; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D008691:Methadone / Q000627:therapeutic use*; D009293:Opioid-Related Disorders / Q000523:psychology / Q000534:rehabilitation*
chemical_list: D008691:Methadone