TY - GEN AU - Jeanice M Brown Thomas AU - David L Duewer C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2016-07-01 04:07:00 DO - https://doi.org/10.6028/NIST.IR.7880-45 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2016 TI - NIST Micronutrients Measurement Quality Assurance Program Winter 2015 Comparability Studies: Results for Round Robin LXXVII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 42 Ascorbic Acid in Human Serum: ER -