title: Preparation and biological evaluation of active metabolites of vitamin D31.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002118:Calcium / Q000378:metabolism; D002645:Chickens; D002762:Cholecalciferol / Q000138:chemical synthesis / Q000378:metabolism* / Q000494:pharmacology; D004100:Dihydroxycholecalciferols / Q000378:metabolism; D004285:Dogs; D006887:Hydroxycholecalciferols / Q000378:metabolism; D007408:Intestinal Absorption / Q000187:drug effects; D007413:Intestinal Mucosa / Q000378:metabolism; D007668:Kidney / Q000378:metabolism; D013058:Mass Spectrometry; D008722:Methods; D014808:Vitamin D Deficiency / Q000378:metabolism
chemical_list: D004100:Dihydroxycholecalciferols; D006887:Hydroxycholecalciferols; D002762:Cholecalciferol; D002118:Calcium