An assessment of 25-hydroxyvitamin D measurements in comparability studies conducted by the Vitamin D Metabolites Quality Assurance Program
Keywords: 3-epi-25(OH)D3; 3-epi-25-hydroxyvitamin D3; 25(OH)D2; 25-hydroxyvitamin D2; 25(OH)D3; 25-hydroxyvitamin D3; U95; 95% confidence limit; ABVD; Accuracy-Based Vitamin D; ALTM; all-laboratory trimmed mean; CLIA; chemiluminescence immunoassay; EIA; enzyme immu