Wang, Chi-Chih A rare cause of gastrointestinal bleeding. Multiple myeloma with extramedullary gastroduodenal plasmacytoma. [electronic resource] - Gastroenterology Sep 2013 - e1-2 p. digital Publication Type: Case Reports; Journal Article ISSN: 1528-0012 Standard No.: 10.1053/j.gastro.2013.05.005 doi Subjects--Topical Terms: Duodenal Neoplasms--complicationsFemaleHumansMelena--etiologyMiddle AgedMultiple Myeloma--complicationsPlasmacytoma--complicationsStomach Neoplasms--complications