<p>The solid lines indicate the mean bias and the dotted lines indicate the 95% limits of agreement. 25(OH)D, 25-hydroxyvitamin D</p
Background: Measuring serum 25(OH)D concentration is common in clinical practice despite the questio...
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
peer reviewedThe Vitamin D Standardization Program (VDSP) has collaborated with numerous groups and ...
<p>The solid lines indicate the mean bias and the dotted lines indicate the 95% limits of agreement....
<p>The solid lines indicate the mean bias and the dotted lines indicate the 95% limits of agreement....
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
<p>The solid lines indicate the mean bias (middle line) and 95% limits of agreement (top and bottom ...
<p>Dashed lines denote the limit of agreement (all HAI values within 1 dilution factor). Overall agr...
Abstract Background: Population-based research on vitamin D has increased dramatically in recent yea...
peer reviewedAn intralaboratory study assessing assay variability and bias for determination of seru...
<p>Dashed lines denote the limit of agreement (all HAI values within 1 dilution factor). Overall agr...
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
<p>25(OH)D<sub>3</sub>, 25-hydroxyvitamin D<sub>3</sub>; 3-epi-25(OH)D<sub>3</sub>, c3 epimer; 25(OH...
Background: Measuring serum 25(OH)D concentration is common in clinical practice despite the questio...
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
peer reviewedThe Vitamin D Standardization Program (VDSP) has collaborated with numerous groups and ...
<p>The solid lines indicate the mean bias and the dotted lines indicate the 95% limits of agreement....
<p>The solid lines indicate the mean bias and the dotted lines indicate the 95% limits of agreement....
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
<p>The solid lines indicate the mean bias (middle line) and 95% limits of agreement (top and bottom ...
<p>Dashed lines denote the limit of agreement (all HAI values within 1 dilution factor). Overall agr...
Abstract Background: Population-based research on vitamin D has increased dramatically in recent yea...
peer reviewedAn intralaboratory study assessing assay variability and bias for determination of seru...
<p>Dashed lines denote the limit of agreement (all HAI values within 1 dilution factor). Overall agr...
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
<p>25(OH)D<sub>3</sub>, 25-hydroxyvitamin D<sub>3</sub>; 3-epi-25(OH)D<sub>3</sub>, c3 epimer; 25(OH...
Background: Measuring serum 25(OH)D concentration is common in clinical practice despite the questio...
Measured serum 25-hydroxyvitamin D concentrations vary depending on the type of assay used and the s...
peer reviewedThe Vitamin D Standardization Program (VDSP) has collaborated with numerous groups and ...
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