title: New approaches to vitamin D.
mesh_terms: D000818:Animals; D002117:Calcitriol / Q000378:metabolism; D004100:Dihydroxycholecalciferols / Q000378:metabolism; D018167:Receptors, Calcitriol; D011987:Receptors, Steroid / Q000378:metabolism; D014807:Vitamin D / Q000378:metabolism*
chemical_list: D004100:Dihydroxycholecalciferols; D018167:Receptors, Calcitriol; D011987:Receptors, Steroid; D014807:Vitamin D; D002117:Calcitriol