title: Selective visceral angiography to diagnose chronic gastrointestinal bleeding.
mesh_terms: D000792:Angiography; D002908:Chronic Disease; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006801:Humans; D008638:Mesenteric Arteries / Q000000981:diagnostic imaging; D008642:Mesenteric Veins / Q000000981:diagnostic imaging; D008722:Methods; D008875:Middle Aged