@misc{1136971,
  author = {Mary Bedner and Katrice A. Lippa},
  title = {NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results: Winter 2011 Comparability Study (Exercise 3):},
  year = {2012},
  month = {2012-12-01 05:12:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.7892},
  language = {en},
}