The value of carrier-free 51Cr as a stool marker.
D000818:Animals; D002118:Calcium / Q000378:metabolism*; D002132:Calcium Radioisotopes; D002417:Cattle; D002857:Chromium / Q000032:analysis; D002860:Chromium Radioisotopes; D005069:Evaluation Studies as Topic; D005243:Feces / Q000032:analysis*; D006801:Humans; D008722:Methods; D008892:Milk; D013054:Spectrophotometry, Atomic; D013997:Time Factors
D002132:Calcium Radioisotopes; D002860:Chromium Radioisotopes; D002857:Chromium; D002118:Calcium