[Massive hematemesis and melena in absence of demonstrable peptic ulcer].
D006396:Hematemesis / Q000601:surgery*; D006801:Humans; D008551:Melena / Q000601:surgery*; D010437:Peptic Ulcer
HEMATEMESIS/surgery; MELENA/surgery
Massiv hematemese/melena uten påviselig ulcus.