@misc{1137201,
  author = {David L. Duewer and Katherine E. Sharpless and Jeanice B. Thomas},
  title = {NIST micronutrients measurement quality assurance program winter 2003 comparability studies : results for round robin LIII fat-soluble vitamins and carotenoids in human serum and round robin 18 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.7880-19},
  language = {en},
}