Potential pitfalls in the interpretation of erythrocyte scintigraphy for gastrointestinal hemorrhage.
D004912:Erythrocytes; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D010413:Penis / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D012007:Rectum / Q000000981:diagnostic imaging; D013667:Technetium
D013667:Technetium