Brown, J.
, Duewer, D.
, Kline, M.
, May, W.
and Schonberger, E.
(2018),
NIST Micronutrients Measurement Quality Assurance Program: Spring and Fall 1987 Comparability Studies-Results for Round Robins IX and XI Fat-Soluble Vitamins and Carotenoids in Human Serum, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.IR.7880-37
(Accessed November 21, 2024)