title: Scintigraphic diagnosis of hemorrhagic gastritis in a child.
mesh_terms: D002648:Child; D005756:Gastritis / Q000000981:diagnostic imaging*; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D011877:Radionuclide Imaging; D013670:Sodium Pertechnetate Tc 99m
chemical_list: D013670:Sodium Pertechnetate Tc 99m