Haematemesis and melaena.
Evans
J
J
D001165:Arteriovenous Malformations / Q000150:complications*; D005753:Gastric Mucosa / Q000098:blood supply*; D006396:Hematemesis / Q000209:etiology*; D006801:Humans; D008297:Male; D008551:Melena / Q000209:etiology*; D008875:Middle Aged