Vitamin D metabolism.
D000818:Animals; D006887:Hydroxycholecalciferols / Q000378:metabolism; D010281:Parathyroid Hormone / Q000502:physiology; D051381:Rats; D014807:Vitamin D / Q000378:metabolism*; D014808:Vitamin D Deficiency / Q000378:metabolism
D006887:Hydroxycholecalciferols; D010281:Parathyroid Hormone; D014807:Vitamin D