Method of determining gastrointestinal bleeding site by the use of radiochromate-tagged red cells.
D002857:Chromium; D002860:Chromium Radioisotopes; D004912:Erythrocytes; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006470:Hemorrhage; D006801:Humans; D011851:Radioactivity
D002860:Chromium Radioisotopes; D002857:Chromium
CHROMIUM/radioactive; HEMORRHAGE, GASTROINTESTINAL/diagnosis