@misc{221491, author = {Mary Bedner}, title = {NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results: Summer 2015 Comparability Study (Exercise 11)}, year = {2016}, month = {2016-09-28}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.8143}, language = {en}, }