@article{853026, author = {Johanna Camara and Christopher Sempos and Emma Williams and Graham Carter and Julia Jones and Carolyn Burdette and Grace Hahm and Federica Nalin and David Duewer and Adam Kuszak and J. Betz and Andrew Hoofnagle and Pierre Lukas and E. Cavalier and Ramon Durazo-Arvizu and P. Crump and Christian Popp and Christian Beckert and Glen Van Slooten and Patrick Gradon and Joelle Morgand and Sarah Paul and Bruno Emanuelli and Angelo Maggio and Fiona Ivison and Ralf Fischer and Jody van den Ouweland and Chung Ho and Emmett Law and Jean-Nicolas Simard and Renaud Gonthier and Brett Holmquist and Manisha Patwardhan and Marcelo Batista and Heather Pham and Sarah Meadows and Eugene Jansen and Dilshad Khan and Kimberly Robyak and Mark Kilbane and Neil Parker and Vincent Chen and Robert Fitzgerald and Sohail Mushtaq and Michael Clarke and Norma Breen and Christine Simpson and Stephen Wise}, title = {Assessment of Serum Total 25-Hydroxyvitamin D Assays for Vitamin D External Quality Assessment Scheme (DEQAS) Materials Distributed at Ambient and Frozen Conditions}, year = {2021}, month = {2021-11-09 05:11:00}, publisher = {Analytical and Bioanalytical Chemistry}, doi = {https://doi.org/10.1007/s00216-021-03742-5}, language = {en}, }