title: A rapid simplified method for plasma 25-hydroxyvitamin D estimation.
mesh_terms: D000368:Aged; D006801:Humans; D006887:Hydroxycholecalciferols / Q000097:blood*; D008722:Methods; D011485:Protein Binding; D014808:Vitamin D Deficiency / Q000175:diagnosis
chemical_list: D006887:Hydroxycholecalciferols