@misc{1137116,
  author = {Jeanice M. Brown Thomas and David L. Duewer and Margaret C. Kline and Willie E. May and Sam A. Margolis and Neal E. Craft and Katherine E. Sharpless},
  title = {NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1990 Comparability Studies: Results for Round Robins XVIII, XIX, and XX Fat-Soluble Vitamins and Carotenoids in Human Serum:},
  year = {2015},
  month = {2015-09-01 04:09:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.7880-34},
  language = {en},
}