title: Gastrointestinal bleeding in leukocyte scintigraphy.
mesh_terms: D000038:Abscess / Q000000981:diagnostic imaging; D000368:Aged; D003937:Diagnosis, Differential; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006801:Humans; D007204:Indium; D007962:Leukocytes; D008297:Male; D011868:Radioisotopes; D011877:Radionuclide Imaging; D012008:Recurrence
chemical_list: D011868:Radioisotopes; D007204:Indium