title: Pitfalls of gastrointestinal bleeding studies with 99mTc sulfur-colloid.
mesh_terms: D000328:Adult; D002828:Choristoma / Q000000981:diagnostic imaging*; D005189:False Positive Reactions; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D010386:Pelvic Neoplasms / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D013154:Spleen; D013671:Technetium Tc 99m Sulfur Colloid
chemical_list: D013671:Technetium Tc 99m Sulfur Colloid