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You searched for: Author/Creator Wise, Stephen A

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1. Baseline Assessment of 25-Hydroxyvitamin D Assay Performance: A Vitamin D Standardization Program (VDSP) Interlaboratory Comparison Study. (22nd November 2019)

2. Baseline Assessment of 25-Hydroxyvitamin D Reference Material and Proficiency Testing/External Quality Assurance Material Commutability: A Vitamin D Standardization Program Study. (22nd November 2019)

3. Challenges in Developing Analytically Validated Laboratory-Derived Dietary Supplement Databases. (3rd August 2018)

4. Challenges in Developing Analytically Validated Laboratory-Derived Dietary Supplement Databases. (3rd August 2018)

5. Development of Standard Reference Material (SRM) 2973 Vitamin D Metabolites in Frozen Human Serum (High Level). (22nd November 2019)

6. Establishing an Accuracy Basis for the Vitamin D External Quality Assessment Scheme (DEQAS). (22nd November 2019)

7. General Steps to Standardize the Laboratory Measurement of Serum Total 25-Hydroxyvitamin D. (22nd November 2019)

8. Interlaboratory Comparison for the Determination of 24, 25-Dihydroxyvitamin D3 in Human Serum Using Liquid Chromatography with Tandem Mass Spectrometry. (22nd November 2019)

9. Role of the National Institute of Standards and Technology (NIST) in Support of the Vitamin D Initiative of the National Institutes of Health, Office of Dietary Supplements. (22nd November 2019)

10. Value Assignment of Vitamin D Metabolites in Vitamin D Standardization Program Serum Samples. (22nd November 2019)