title: Abrupt withdrawal of maintenance methadone.
mesh_terms: D000328:Adult; D003932:Heroin; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage; D013375:Substance Withdrawal Syndrome; D019966:Substance-Related Disorders / Q000188:drug therapy
chemical_list: D003932:Heroin; D008691:Methadone