@misc{1137166,
  author = {David L. Duewer and Sam A. Margolis and Katherine E. Sharpless and Jeanice B. Thomas},
  title = {NIST micronutrients measurement quality assurance program winter and summer 1999 comparability studies : results for round robin XLV and XLVI fat-soluble vitamins and carotenoids in human serum and round robin 12 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.7880-25},
  language = {en},
}