Upper gastrointestinal haemorrhage.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004381:Duodenal Ulcer / Q000150:complications* / Q000000981:diagnostic imaging; D004724:Endoscopy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography; D013276:Stomach Ulcer / Q000150:complications* / Q000000981:diagnostic imaging