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James Freeman

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10

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Assessment of serum total 25-hydroxyvitamin D assay commutability of Standard Reference Materials and College of American Pathologists Accuracy-Based Vitamin D (ABVD) Scheme and Vitamin D External Quality Assessment Scheme (DEQAS) materials: Vitamin D Standardization Program (VDSP) Commutability Study 2

2021 Analytical and Bioanalytical Chemistry
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Assessment of serum total 25-hydroxyvitamin D assays for Vitamin D External Quality Assessment Scheme (DEQAS) materials distributed at ambient and frozen conditions

2021 Analytical and Bioanalytical Chemistry
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Serology testing demonstrates that antibodies to SARS-CoV-2 S1-RBD correlate with neutralization of virus infection of Vero E6 cells.

2021
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Standardization and Certification of the ADVIA Centaur Vitamin D Total Assay

2017 Medical research archives
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Reply to the article entitled “Impact of assay design on test performance: lessons learned from 25-hydroxyvitamin D” by Farrell et al., Clin Chem Lab Med 2014;52:1579–87

2015 Clinical Chemistry and Laboratory Medicine
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Performance evaluation of four 25-hydroxyvitamin D assays to measure 25-hydroxyvitamin D2.

2015 Clinical Biochemistry
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Influence of Vitamin D Binding Protein on Accuracy of 25-Hydroxyvitamin D Measurement Using the ADVIA Centaur Vitamin D Total Assay

2014 International Journal of Endocrinology
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Détection de stéroïdes sexuels

2012
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