Chronic gastro-intestinal hemorrhage, diagnostic enigma.
D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D006801:Humans; D007421:Intestine, Small; D007422:Intestines; D009369:Neoplasms
GASTROINTESTINAL SYSTEM/hemorrhage; INTESTINE, SMALL/neoplasms