TY - JOUR AU - Phinney, Karen AU - Bedner, Mary AU - Tai, Susan AU - Vamathevan, Veronica AU - Sander, Lane AU - Sharpless, Katherine AU - Wise, Stephen C2 - Analytical Chemistry DA - 2011-12-05 DO - https://doi.org/10.1021/ac202047n LA - en M1 - 84 PB - Analytical Chemistry PY - 2011 TI - Development and Certification of a Standard Reference Material for Vitamin D Metabolites in Human Serum ER -