title: Psychodynamics of drug deependence: introduction.
mesh_terms: D006556:Heroin Dependence / Q000534:rehabilitation; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D019966:Substance-Related Disorders / Q000175:diagnosis / Q000523:psychology* / Q000628:therapy
chemical_list: D008691:Methadone