title: Impacted oesophageal bezoar treated with carboxymethylcysteine: a case report.
mesh_terms: D000328:Adult; D001630:Bezoars / Q000000981:diagnostic imaging / Q000628:therapy*; D002233:Carbocysteine / Q000627:therapeutic use*; D003545:Cysteine / Q000031:analogs & derivatives*; D004947:Esophagus / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011859:Radiography
chemical_list: D002233:Carbocysteine; D003545:Cysteine