@article{230426, author = {Karen Phinney and Christopher Sempos and Hubert Vesper and Julianne Botelho and M Dasti and Yasamin Rahmani and Susan Tai and Johanna Camara and Stephen Wise and Gary Myers and Ramon Durazo-Arvizu and Lu Tian and John Eckfeldt and Andrew Hoofnagle and W. and Lorin Bachmann and Ian Young and J Pettit and G. Caldwell and A Liu and S Brooks and K. Sarafin and M. Thamm and C. Scheidt-Nave and G. Mensink and M. Busch and M. Rabenberg and Kevin Cashman and Mairead Kiely and Albert Flynn and Kirsten Dowling and B. Quinn and K OH and S. Lee and C. Jung and L. Cox and G. Goldberg and K. Guberg and S. Meadows and A. Prentice and G. Swan and Alison Tedstone and Schleicher Rosemary and Christine Pfeiffer and Graham Carter and Julia Jones and P. Brannon and R. Lucas and Neil Binkley and P. Crump and Donald Wiebe and Glenville Jones and J. Betz and C. Faigen and Joyce Merkel and Elizabeth Yetley and Paul Coates}, title = {Baseline assessment of 25-hydroxyvitamin D reference material and proficiency testing/external quality assurance material commutability - a vitamin D standardization program study}, year = {2017}, month = {2017-08-10}, publisher = {Journal of Aoac International}, doi = {https://doi.org/10.5740/jaoacint.17-0291}, language = {en}, }