@misc{1137121,
  author = {Jeanice M. Brown Thomas and David L. Duewer and Margaret C. Kline and Katherine E. Sharpless and Willie E. May and Sam A. Margolis and Neal E. Craft},
  title = {NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1991 Comparability Studies: Results for Round Robins XXI, XXII, and XXIII 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.7880-33},
  language = {en},
}