Lethality rate of hematemesis and melena treated non-operatively (Meulengracht's regimen) and criteria for surgical intervention in bleeding peptic ulcer.
D006396:Hematemesis; D006801:Humans; D008551:Melena; D010437:Peptic Ulcer / Q000601:surgery*; D010438:Peptic Ulcer Hemorrhage
PEPTIC ULCER/surgical therapy