title: Detection and localization of gastrointestinal bleeding.
authors.forename: R A
authors.initials: RA
authors.lastname: Wyatt
mesh_terms: D004912:Erythrocytes; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006801:Humans; D011877:Radionuclide Imaging; D013667:Technetium; D013671:Technetium Tc 99m Sulfur Colloid
chemical_list: D013671:Technetium Tc 99m Sulfur Colloid; D013667:Technetium