@misc{1137241, author = {David L. Duewer and Jeanice B. Thomas}, title = {NIST micronutrients measurement quality assurance program winter 2007 comparability studies : results for round robin LXI fat-soluble vitamins and carotenoids in human serum and round robin 26 ascorbic acid in human serum:}, year = {2013}, month = {2013-04-01 04:04:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.7880-11}, language = {en}, }