The Vitamin D Metabolite Ratio Is Independent of Vitamin D Binding Protein Concentration.
Ginsberg C, Hoofnagle AN, Katz R, Becker JO, Kritchevsky SB, Shlipak MG, Sarnak MJ, Ix JH. The Vitamin D Metabolite Ratio Is Independent of Vitamin D Binding Protein Concentration. Clin Chem. 2021 Jan 30; 67(2):385-393.