Upper gastro-intestinal haemorrhage: statistical study (1978-1980).
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004932:Esophageal and Gastric Varices / Q000150:complications*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology* / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000150:complications