
Why should we measure free 25(OH) vitamin D?
Keywords: 1,25(OH)2D; 1,25 dihydroxyvitamin D; 25(OH)D; 25-hydroxyvitamin D; AKI; acute kidney injury; BMD; bone mineral density; CKD; chronic kidney disease; CYP2R1; Cytochrome P450 Family 2 Subfamily R Member 1; DBP; vitamin D-binding protein; ELISA; enzyme-linke