Active transport of calcium by intestine: action and bio-assay of vitamin D.
D001205:Ascorbic Acid / Q000494:pharmacology*; D001693:Biological Transport, Active; D002118:Calcium / Q000378:metabolism*; D002136:Calcium, Dietary; D006801:Humans; D007421:Intestine, Small / Q000502:physiology*; D007422:Intestines; D014807:Vitamin D; D014815:Vitamins
D002136:Calcium, Dietary; D014815:Vitamins; D014807:Vitamin D; D001205:Ascorbic Acid; D002118:Calcium
CALCIUM/metabolism; INTESTINE, SMALL/physiology; VITAMIN C/pharmacology