Haematomesis and melaena with special reference to bleeding peptic ulcer.
D006396:Hematemesis; D006801:Humans; D008551:Melena; D010437:Peptic Ulcer; D010438:Peptic Ulcer Hemorrhage
HEMATEMESIS/in peptic ulcer; MELAENA/in peptic ulcer; PEPTIC ULCER/bleeding, hematemesis and melena