Duplication of the entire small intestine with massive melena.
D006801:Humans; D007421:Intestine, Small / Q000002:abnormalities*; D007422:Intestines; D008551:Melena / Q000209:etiology*
INTESTINE, SMALL/abnormalities; MELENA/etiology and pathogenesis
Gastroenterology. 1954 May;26(5):774-80
13162074
Am J Surg. 1949 Dec;78(6):847-52, illust
15393528