title: Occult gastrointestinal bleeding.
authors.forename: V J
authors.initials: VJ
authors.lastname: Caride
mesh_terms: D004912:Erythrocytes / Q000000981:diagnostic imaging*; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006801:Humans; D009780:Occult Blood; D011877:Radionuclide Imaging; D013667:Technetium
chemical_list: D013667:Technetium