TY - GEN AU - Brown, Jeanice AU - Duewer, David AU - Kline, Margaret AU - Sharpless, Katherine AU - May, Willie AU - Margolis, Sam AU - Craft, Neal C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 2015-09-29 DO - https://doi.org/10.6028/NIST.IR.7880-33 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 2015 TI - NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1991 Comparability Studies: Results for Round Robins XXI, XXII, and XXIII Fat-Soluble Vitamins and Carotenoids in Human Serum ER -