Duodenal diverticulum with a case report of massive haematemesis and malaena.
D004240:Diverticulum; D004386:Duodenum; D006396:Hematemesis / Q000209:etiology*; D006801:Humans; D008551:Melena / Q000209:etiology*
DUODENUM/diverticula; HEMATEMESIS/etiology and pathogenesis; MELENA/etiology and pathogenesis