Quantitative measurement of gastrointestinal blood loss. I. The use of radioactive Cr51 in patients with gastrointestinal hemorrhage.
D002857:Chromium; D002860:Chromium Radioisotopes; D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage
D002860:Chromium Radioisotopes; D002857:Chromium
CHROMIUM/radioactive; GASTROINTESTINAL SYSTEM/hemorrhage