New ideas on vitamin D.
D000818:Animals; D006887:Hydroxycholecalciferols / Q000096:biosynthesis*; D010281:Parathyroid Hormone / Q000502:physiology; D010710:Phosphates / Q000097:blood
D006887:Hydroxycholecalciferols; D010281:Parathyroid Hormone; D010710:Phosphates