@misc{1137191, author = {David L. Duewer and Margaret C. Kline and Sam A. Margolis and Katherine E. Sharpless and Jeanice B. Thomas}, title = {NIST micronutrients measurement quality assurance program summer 2002 comparability studies : results for round robin LII fat-soluble vitamins and carotenoids in human serum and round robin 17 ascorbic acid in human serum:}, year = {2013}, month = {2013-06-01 04:06:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.7880-20}, language = {en}, }