TY - GEN AU - Duewer, David L. AU - Thomas, Jeanice B. AU - Camell, Dennis C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2012-12-01 05:12:00 DO - https://doi.org/10.6028/NIST.IR.7880 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2012 TI - NIST Micronutrients Measurement Quality Assurance Program Winter 2012 Comparability Studies::Results for Round Robin LXXI Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 36 Ascorbic Acid in Human Serum ER -