TY - GEN AU - David Duewer AU - Katherine Sharpless AU - Jeanice Brown Thomas AU - Sam Margolis C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 2013-08-07 00:08:00 DO - https://doi.org/10.6028/NIST.IR.7880-23 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 2013 TI - NIST Micronutrients Measurement Quality Assurance Program Winter 2001 Comparability Studies: Results for Round Robin XLIX Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 14 Ascorbic Acid in Human Serum UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=913893 ER -