title: Assay of vitamin D and its metabolites.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002118:Calcium / Q000097:blood; D002352:Carrier Proteins / Q000378:metabolism; D002762:Cholecalciferol / Q000378:metabolism; D004872:Ergocalciferols / Q000378:metabolism; D006801:Humans; D006887:Hydroxycholecalciferols / Q000097:blood; D012709:Serum Albumin / Q000032:analysis; D014807:Vitamin D / Q000032:analysis* / Q000378:metabolism
chemical_list: D002352:Carrier Proteins; D004872:Ergocalciferols; D006887:Hydroxycholecalciferols; D012709:Serum Albumin; D014807:Vitamin D; D002762:Cholecalciferol; D002118:Calcium