@misc{1136956,
  author = {Katrice A. Lippa and Mary Bedner},
  title = {NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results: Summer 2012 Comparability Study(Exercise 6):},
  year = {2013},
  month = {2013-03-01 05:03:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.7895},
  language = {en},
}