Acute upper alimentary tract ulceration and hemorrhage following neurosurgical operations.
D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D006801:Humans; D009493:Neurosurgery / Q000150:complications*; D010437:Peptic Ulcer / Q000209:etiology*
GASTROINTESTINAL SYSTEM/hemorrhage; HEMORRHAGE; NEUROSURGERY/complications; PEPTIC ULCER/etiology and pathogenesis