Hematemesis and melena: a survey in a British provincial hospital Jan. 1938-July, 1951.
D005006:Ethnicity; D006396:Hematemesis / Q000175:diagnosis*; D006801:Humans; D008551:Melena / Q000209:etiology*; D010437:Peptic Ulcer; D010438:Peptic Ulcer Hemorrhage
HEMATEMESIS/diagnosis; MELENA/etiology and pathogenesis; PEPTIC ULCER/hemorrhage