A double isotope method for measurement of intestinal absorption of calcium in man.
D000328:Adult; D000368:Aged; D002118:Calcium / Q000378:metabolism*; D002127:Calcium Isotopes / Q000378:metabolism*; D005243:Feces; D005260:Female; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D008875:Middle Aged; D014556:Urine
D002127:Calcium Isotopes; D002118:Calcium