title: [Localization of gastrointestinal hemorrhage-marking red blood cells in vivo and in vitro with 99mTc].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004912:Erythrocytes; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D013667:Technetium; D013671:Technetium Tc 99m Sulfur Colloid
chemical_list: D013671:Technetium Tc 99m Sulfur Colloid; D013667:Technetium
vernacular_title: Localización de la hemorragia gastrointestinal marcando glóbulos rojos in vivo-in vitro con 99mTc.