title: From vitamin to hormone.
mesh_terms: D002128:Calcium Metabolism Disorders / Q000209:etiology; D002762:Cholecalciferol / Q000378:metabolism; D004100:Dihydroxycholecalciferols / Q000378:metabolism / Q000502:physiology / Q000627:therapeutic use; D006801:Humans; D007668:Kidney / Q000378:metabolism*; D014807:Vitamin D / Q000378:metabolism / Q000502:physiology*; D014808:Vitamin D Deficiency / Q000150:complications
chemical_list: D004100:Dihydroxycholecalciferols; D014807:Vitamin D; D002762:Cholecalciferol