title: Arteriography for Lower Gastrointestinal Hemorrhage: Clarity Needed in Defining Evidence Supporting Algorithm and Preceding Tests.
authors.affiliation: Departments of Radiology and Medicine, Penn State Milson S. Hershey Medical Center, Hershey, Pennsylvania.
authors.forename: Mark
authors.initials: M
authors.lastname: Tulchinsky
mesh_terms: D000465:Algorithms; D000792:Angiography; D006471:Gastrointestinal Hemorrhage; D006801:Humans