TY - GEN AU - David L. Duewer AU - Jeanice B. Thomas C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2014-11-01 04:11:00 DO - https://doi.org/10.6028/NIST.IR.7880-42 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2014 TI - NIST Micronutrients Measurement Quality Assurance Program Summer 2013 Comparability Studies : Results for Round Robin LXXIV Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 39 Ascorbic Acid in Human Serum: ER -