title: From IM morphine to PO methadone.
mesh_terms: D000328:Adult; D006556:Heroin Dependence / Q000534:rehabilitation; D006801:Humans; D008297:Male; D008691:Methadone / Q000627:therapeutic use*; D009020:Morphine / Q000627:therapeutic use*; D013375:Substance Withdrawal Syndrome / Q000188:drug therapy*
chemical_list: D009020:Morphine; D008691:Methadone