@misc{259501,
  author = {Katrice Lippa and Mary Bedner and Susan Tai and Carolyn Burdette},
  title = {NIST/NIH Vitamin D Metabolites Quality Assurance Program (VitDQAP): Final Report},
  year = {2020},
  month = {2020-09-16},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.8293},
  language = {en},
}