GUT-SECRETED CALCIUM.
D001692:Biological Transport; D001826:Body Fluids; D002118:Calcium / Q000378:metabolism*; D002127:Calcium Isotopes; D002136:Calcium, Dietary; D005243:Feces; D005441:Fluids and Secretions; D006801:Humans; D007408:Intestinal Absorption
D002127:Calcium Isotopes; D002136:Calcium, Dietary; D002118:Calcium
CALCIUM ISOTOPES; CALCIUM METABOLISM; EXCRETION; FECES; INTESTINAL ABSORPTION