Gastrointestinal angiodysplasia: clinical features.
D004064:Digestive System / Q000098:blood supply*; D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007413:Intestinal Mucosa / Q000098:blood supply; D011859:Radiography; D014652:Vascular Diseases / Q000150:complications / Q000000981:diagnostic imaging / Q000628:therapy