Julia Jones

Establishing an Accuracy Basis for the Vitamin D External Quality Assessment Scheme (DEQAS).

Joseph M Betz, Stephen A Wise, Christopher T Sempos, 2017, Journal of AOAC International.

Baseline Assessment of 25-Hydroxyvitamin D Reference Material and Proficiency Testing/External Quality Assurance Material Commutability: A Vitamin D Standardization Program Study.

Joseph M Betz, W Greg Miller, Kurtis Sarafin, 2017, Journal of AOAC International.