[Hemorrhages of the upper digestive tract in allergies].
D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006470:Hemorrhage; D006801:Humans; D006967:Hypersensitivity / Q000150:complications*; D007154:Immune System Diseases
ALLERGY/complications; HEMORRHAGE, GASTROINTESTINAL/etiology