Operative mesenteric arteriography in the search for the site of bleeding in unexplained gastrointestinal hemorrhage: a preliminary report.
D000792:Angiography; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006470:Hemorrhage; D006801:Humans; D008643:Mesentery
ANGIOGRAPHY; HEMORRHAGE, GASTROINTESTINAL/radiography