INTESTINAL BLOOD LOSS IN SURGERY OF THE GASTROINTESTINAL TRACT.
D000740:Anemia; D002859:Chromium Isotopes; D004912:Erythrocytes; D005243:Feces; D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D006801:Humans; D011178:Postgastrectomy Syndromes; D011874:Radiometry
D002859:Chromium Isotopes
ANEMIA; CHROMIUM ISOTOPES; ERYTHROCYTES; FECES; HEMORRHAGE, GASTROINTESTINAL; POSTGASTRECTOMY SYNDROMES; RADIOMETRY