Duewer, D.
and Thomas, J.
(2013),
NIST micronutrients measurement quality assurance program summer 2007 comparability studies : results for round robin LXII fat-soluble vitamins and carotenoids in human serum and round robin 27 ascorbic acid in human serum:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.IR.7880-10
(Accessed October 15, 2024)