Stress ulcer.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002056:Burns / Q000150:complications; D002648:Child; D002675:Child, Preschool; D005260:Female; D005767:Gastrointestinal Diseases / Q000209:etiology*; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000209:etiology; D011183:Postoperative Complications; D013312:Stress, Physiological / Q000150:complications*; D014456:Ulcer / Q000209:etiology*