title: Methadone and opiate drugs: psychotropic effect and self-medication.
mesh_terms: D000328:Adult; D003932:Heroin / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008691:Methadone / Q000627:therapeutic use*; D011618:Psychotic Disorders / Q000150:complications / Q000175:diagnosis / Q000188:drug therapy*; D012651:Self Medication; D019966:Substance-Related Disorders / Q000150:complications / Q000523:psychology
chemical_list: D003932:Heroin; D008691:Methadone