TY - RPRT 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 AU - Brown Thomas, Jeanice M AU - Duewer, David L PY - 2016 PB - National Institute of Standards and Technology SN - NIST IR 7880-45 DO - 10.6028/NIST.IR.7880-45 ER -