Sempos, Christopher T.
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3

Determination of 24,25-dihydroxyvitamin D3 in Vitamin D Ext..:

Wise, Stephen A. ; Hahm, Grace ; Burdette, Carolyn Q....
The Journal of Steroid Biochemistry and Molecular Biology.  231 (2023)  - p. 106318 , 2023
 
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4

Serum 1,25-dihydroxyvitamin D levels in the diagnosis and p..:

Fischer, Philip R. ; Sempos, Christopher T. ; Pettifor, John M....
The American Journal of Clinical Nutrition.  117 (2023)  5 - p. 998-1004 , 2023
 
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5

Intra-trial Mean 25(OH)D and PTH Levels and Risk of Falling..:

Dawson-Hughes, Bess ; Wang, Jifan ; Barger, Kathryn...
The Journal of Clinical Endocrinology & Metabolism.  107 (2022)  5 - p. e1932-e1937 , 2022
 
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6

Towards harmonization of directly measured free 25-hydroxyv..:

Sempos, Christopher T. ; Lindhout, Ernst ; Heureux, Nicolas...
Analytical and Bioanalytical Chemistry.  414 (2022)  27 - p. 7793-7803 , 2022
 
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7

Serum 25-hydroxyvitamin D requirements to prevent nutrition..:

Sempos, Christopher T ; Durazo-Arvizu, Ramón A ; Fischer, Philip R...
The American Journal of Clinical Nutrition.  114 (2021)  1 - p. 231-237 , 2021
 
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8

Interlaboratory comparison of 25-hydroxyvitamin D assays: V..:

Wise, Stephen A. ; Camara, Johanna E. ; Burdette, Carolyn Q....
Analytical and Bioanalytical Chemistry.  414 (2021)  1 - p. 333-349 , 2021
 
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9

Vitamin D Standardization Program (VDSP) intralaboratory st..:

Wise, Stephen A. ; Camara, Johanna E. ; Sempos, Christopher T....
The Journal of Steroid Biochemistry and Molecular Biology.  212 (2021)  - p. 105917 , 2021
 
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11

Assessment of serum total 25-hydroxyvitamin D assays for Vi..:

Sempos, Christopher T. ; Williams, Emma L. ; Carter, Graham D....
Analytical and Bioanalytical Chemistry.  414 (2021)  2 - p. 1015-1028 , 2021
 
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12

The Validity of Serum Alkaline Phosphatase to Identify Nutr..:

Thacher, Tom D ; Sempos, Christopher T ; Durazo-Arvizu, Ramon A...
The Journal of Clinical Endocrinology & Metabolism.  106 (2021)  9 - p. e3559-e3564 , 2021
 
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13

Adjusting Coronavirus Prevalence Estimates for Laboratory T..:

Sempos, Christopher T ; Tian, Lu
American Journal of Epidemiology.  190 (2020)  1 - p. 109-115 , 2020
 
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