Measurement of gastro-intestinal bleeding using radioactive chromium.
D002857:Chromium; D002860:Chromium Radioisotopes; D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D011851:Radioactivity
D002860:Chromium Radioisotopes; D002857:Chromium
CHROMIUM/radioactive; GASTROINTESTINAL SYSTEM/hemorrhage