Gastrointestinal bleeding in children.
D000007:Abdominal Injuries / Q000150:complications; D002648:Child; D002675:Child, Preschool; D003110:Colonic Neoplasms / Q000150:complications; D004932:Esophageal and Gastric Varices / Q000150:complications; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000628:therapy; D006391:Hemangioma / Q000150:complications; D006801:Humans; D007231:Infant, Newborn; D007414:Intestinal Neoplasms / Q000150:complications; D007417:Intestinal Polyps / Q000150:complications; D008467:Meckel Diverticulum / Q000150:complications; D012002:Rectal Diseases / Q000175:diagnosis* / Q000209:etiology