title: Scintigraphy can supplement endoscopy in localizing gastrointestinal bleeding.
mesh_terms: D000328:Adult; D000368:Aged; D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D013671:Technetium Tc 99m Sulfur Colloid
chemical_list: D013671:Technetium Tc 99m Sulfur Colloid