title: Intraoperative endoscopy as a diagnostic tool.
mesh_terms: D000368:Aged; D001165:Arteriovenous Malformations / Q000601:surgery*; D003937:Diagnosis, Differential; D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000601:surgery*; D006801:Humans; D007579:Jejunal Diseases / Q000601:surgery*; D007583:Jejunum / Q000098:blood supply*; D008297:Male