title: Multivariate analysis of the vitamin D endocrine system: evidence for the essentiality of both 24R,25-dihydroxyvitamin D3 and 1 alpha, 25-dihydroxyvitamin D3.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D001835:Body Weight; D002118:Calcium / Q000378:metabolism; D002645:Chickens; D002762:Cholecalciferol / Q000502:physiology*; D004100:Dihydroxycholecalciferols / Q000502:physiology*; D004702:Endocrine Glands / Q000502:physiology*; D005298:Fertility; D006887:Hydroxycholecalciferols / Q000502:physiology*; D010710:Phosphates / Q000378:metabolism
chemical_list: D004100:Dihydroxycholecalciferols; D006887:Hydroxycholecalciferols; D010710:Phosphates; D002762:Cholecalciferol; D002118:Calcium