TY - RPRT TI - NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1988 Comparability Studies: Results for Round Robins XII, XIII, and XIV Fat-Soluble Vitamins and Carotenoids in Human Serum AU - Brown Thomas, Jeanice M. AU - Duewer, David L. AU - Kline, Margaret C. AU - May, Willie E. PY - 2016 PB - National Institute of Standards and Technology SN - NIST IR 7880-36 DO - 10.6028/NIST.IR.7880-36 ER -