An unusual cause of gastrointestinal hemorrhage--intestinal neurofibromatosis.
D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007078:Ileal Neoplasms / Q000150:complications*; D007580:Jejunal Neoplasms / Q000150:complications*; D008297:Male; D008875:Middle Aged; D009456:Neurofibromatosis 1 / Q000150:complications*