Calcium absorption and vitamin D.
D002118:Calcium / Q000378:metabolism*; D002136:Calcium, Dietary; D007421:Intestine, Small / Q000502:physiology*; D007422:Intestines; D014807:Vitamin D / Q000494:pharmacology*; D014815:Vitamins
D002136:Calcium, Dietary; D014815:Vitamins; D014807:Vitamin D; D002118:Calcium
CALCIUM/metabolism; INTESTINE, SMALL/physiology; VITAMIN D/effects