TY - GEN AU - Shu,Irene AU - Pina-Oviedo,Sergio AU - Quiroga-Garza,Gabriela AU - Meng,Qing H AU - Wang,Ping TI - Influence of vitamin D2 percentage on accuracy of 4 commercial total 25-hydroxyvitamin D assays SN - 1530-8561 PY - 2013///0924 KW - 25-Hydroxyvitamin D 2 KW - blood KW - Calcifediol KW - Chromatography, Liquid KW - Humans KW - Tandem Mass Spectrometry N1 - Publication Type: Comparative Study; Letter UR - https://doi.org/10.1373/clinchem.2013.206128 ER -