TY - RPRT 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 AU - Duewer, David L. AU - Thomas, Jeanice B. PY - 2014 PB - National Institute of Standards and Technology SN - NIST IR 7880-42 DO - 10.6028/NIST.IR.7880-42 ER -