title: Proceedings: The regulation of vitamin D metabolism.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism; D002645:Chickens; D004100:Dihydroxycholecalciferols / Q000096:biosynthesis; D006887:Hydroxycholecalciferols / Q000096:biosynthesis*; D007668:Kidney / Q000378:metabolism; D010280:Parathyroid Glands / Q000502:physiology*; D010281:Parathyroid Hormone / Q000494:pharmacology*; D051381:Rats; D013997:Time Factors; D014460:Ultimobranchial Body / Q000502:physiology*
chemical_list: D004100:Dihydroxycholecalciferols; D006887:Hydroxycholecalciferols; D010281:Parathyroid Hormone; D002118:Calcium