title: Abuse of cocaine with opioids: psychological aspects of treatment.
mesh_terms: D000328:Adult; D003042:Cocaine; D005260:Female; D006801:Humans; D008297:Male; D008691:Methadone / Q000627:therapeutic use; D009294:Narcotics; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders / Q000453:epidemiology / Q000523:psychology* / Q000534:rehabilitation
chemical_list: D009294:Narcotics; D003042:Cocaine; D008691:Methadone