title: Biliary and small intestinal spasm due to synthetic analgesics methadone and methyldihydromorphinone (metopon).
authors.forename: E A
authors.initials: EA
authors.lastname: GAENSLER
authors.forename: J M
authors.initials: JM
authors.lastname: McGOWAN
mesh_terms: D000700:Analgesics; D001659:Biliary Tract; D056486:Chemical and Drug Induced Liver Injury; D006801:Humans; D007422:Intestines; D008099:Liver; D008691:Methadone; D009019:Morphinans; D013035:Spasm
chemical_list: D000700:Analgesics; D009019:Morphinans; C046877:metopon; D008691:Methadone