TY - GEN AU - Katrice Lippa AU - Mary Bedner AU - Susan Tai AU - Carolyn Burdette C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 2020-09-16 DO - https://doi.org/10.6028/NIST.IR.8293 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 2020 TI - NIST/NIH Vitamin D Metabolites Quality Assurance Program (VitDQAP): Final Report ER -