title: Vitamin D: an update.
mesh_terms: D000818:Animals; D001711:Biotransformation; D002118:Calcium / Q000378:metabolism; D002762:Cholecalciferol / Q000096:biosynthesis; D004872:Ergocalciferols / Q000378:metabolism; D006706:Homeostasis; D006801:Humans; D014807:Vitamin D / Q000032:analysis / Q000138:chemical synthesis / Q000378:metabolism / Q000502:physiology* / Q000627:therapeutic use / Q000633:toxicity
chemical_list: D004872:Ergocalciferols; D014807:Vitamin D; D002762:Cholecalciferol; D002118:Calcium