TY - GEN AU - Jeanice M. Brown Thomas AU - David L. Duewer C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2015-09-01 04:09:00 DO - https://doi.org/10.6028/NIST.IR.7880-43 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2015 TI - NIST Micronutrients Measurement Quality Assurance Program (Winter 2014 Comparability Studies): Results for Round Robin LXXV Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 40 Ascorbic Acid in Human Serum: ER -