Abdominal scintigraphy: locating the site of intestinal bleeding.
D003110:Colonic Neoplasms / Q000000981:diagnostic imaging; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D007417:Intestinal Polyps / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D013670:Sodium Pertechnetate Tc 99m; D013667:Technetium
D013667:Technetium; D013670:Sodium Pertechnetate Tc 99m