title: Addictive behavior.
mesh_terms: D003213:Conditioning, Psychological; D004305:Dose-Response Relationship, Drug; D006801:Humans; D007878:Legislation as Topic; D008691:Methadone / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use; D013375:Substance Withdrawal Syndrome / Q000503:physiopathology; D019966:Substance-Related Disorders / Q000523:psychology* / Q000534:rehabilitation
chemical_list: D008691:Methadone