Vitamin D metabolism.
D000818:Animals; D001847:Bone Diseases / Q000188:drug therapy / Q000378:metabolism*; D004100:Dihydroxycholecalciferols / Q000378:metabolism / Q000627:therapeutic use; D006801:Humans; D014807:Vitamin D / Q000378:metabolism*
D004100:Dihydroxycholecalciferols; D014807:Vitamin D