An isotope test of calcium absorption.
D002118:Calcium / Q000378:metabolism*; D002136:Calcium, Dietary; D006801:Humans; D007554:Isotopes; D011868:Radioisotopes
D002136:Calcium, Dietary; D007554:Isotopes; D011868:Radioisotopes; D002118:Calcium
CALCIUM/metabolism; RADIOISOTOPES