Effect of dietary calcium and phosphorus restriction on calcium and phosphorus balance in young and old rats.
D000222:Adaptation, Physiological; D000367:Age Factors; D000375:Aging; D000818:Animals; D001693:Biological Transport, Active; D002117:Calcitriol / Q000378:metabolism; D002118:Calcium / Q000378:metabolism*; D002136:Calcium, Dietary / Q000494:pharmacology; D004032:Diet; D008297:Male; D010758:Phosphorus / Q000378:metabolism* / Q000494:pharmacology; D051381:Rats; D011916:Rats, Inbred F344
D002136:Calcium, Dietary; D010758:Phosphorus; D002117:Calcitriol; D002118:Calcium