TY - GEN AU - Katrice Lippa AU - Mary Bedner AU - Susan Tai C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 2012-12-21 DO - https://doi.org/10.6028/NIST.IR.7891 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 2012 TI - NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results:Summer 2010 (Exercise 2) ER -