Estimation of human calcium absorption by external radioisotope counting.
D002118:Calcium / Q000032:analysis / Q000378:metabolism*; D002127:Calcium Isotopes; D005243:Feces / Q000032:analysis; D005542:Forearm / Q000032:analysis*; D006801:Humans; D007408:Intestinal Absorption; D011874:Radiometry; D013223:Statistics as Topic
D002127:Calcium Isotopes; D002118:Calcium