[Radiochromium labeled erythrocyte tests in gastrointestinal hemorrhages].
D002857:Chromium; D002860:Chromium Radioisotopes; D004912:Erythrocytes; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006470:Hemorrhage; D006801:Humans
D002860:Chromium Radioisotopes; D002857:Chromium
CHROMIUM/radioactive; ERYTHROCYTES; HEMORRHAGE, GASTROINTESTINAL/diagnosis