The surgical treatment of haematemesis and melaena.
D041981:Gastrointestinal Tract; D006396:Hematemesis; D006801:Humans; D008551:Melena; D010437:Peptic Ulcer; D011169:Portal Vein
GASTROINTESTINAL TRACT; HEMATEMESIS; MELENA; PEPTIC ULCER; PORTAL VEIN