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C.T. Sempos
C.T. Sempos
Charing Cross Hospital
Internal medicine
Vitamin D and neurology
Endocrinology
Biology
External quality assessment
5
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46
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25-Hydroxyvitamin D assay standardisation and vitamin D guidelines paralysis
2020
Public Health Nutrition
C.T. Sempos
N. Binkley
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Citations (22)
BIOTIN SUPPLEMENTATION CAUSES ERRONEOUS ELEVATIONS OF RESULTS IN SOME COMMERCIAL SERUM 25-HYDROXYVITAMIN D (25OHD) ASSAYS
2020
The Journal of Steroid Biochemistry and Molecular Biology
Graham D. Carter
J. Berry
Etienne Cavalier
R. Durazo-Arvizu
E. Gunter
G Jones
J. Jones
K. Phinney
C.T. Sempos
P.J. Twomey
Emma L. Williams
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Citations (3)
Estimating uncertainty of target values for DEQAS serum materials
2019
The Journal of Steroid Biochemistry and Molecular Biology
R. Durazo-Arvizu
F. Ahmed
J. Berry
Etienne Cavalier
E. Gunter
G Jones
J. Jones
C.T. Sempos
P.J. Twomey
E.L. Williams
G.D. Carter
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Citations (4)
External Quality Assessment of 24,25-dihydroxyvitamin D3 (24,25(OH)2D3) assays
2019
The Journal of Steroid Biochemistry and Molecular Biology
G.D. Carter
F. Ahmed
J. Berry
Etienne Cavalier
R. Durazo-Arvizu
E. Gunter
G Jones
J. Jones
K.W. Phinney
C.T. Sempos
P.J. Twomey
E.L. Williams
Stephen A. Wise
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Citations (5)
Quality assessment of vitamin D metabolite assays used by clinical and research laboratories
2017
The Journal of Steroid Biochemistry and Molecular Biology
G.D. Carter
J. Berry
R. Durazo-Arvizu
E. Gunter
G Jones
J. Jones
H.L.J. Makin
P. Pattni
K.W. Phinney
C.T. Sempos
E.L. Williams
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Citations (12)
1