TY - GEN AU - Mary Bedner AU - Carolyn Burdette C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 2017-07-31 DO - https://doi.org/10.6028/NIST.IR.8169 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 2017 TI - NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results: Summer 2016 Comparability Study (Exercise 12) ER -