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Journal Article
Current Drug Targets, ISSN 1389-4501, 2011, Volume 12, Issue 1, pp. 19 - 28
Measurement of 25-hydroxyvitamin D (25-OHD) is widely used for assessing vitamin D status. There has been a dramatic increase in 25-OHD requests over recent... 
Accuracy | 25-hydroxyvitamin d | Methods | Deqas | HUMAN-PLASMA | SYSTEM | D METABOLITES | methods | accuracy | VITAMIN-D STATUS | D-3 | TANDEM MASS-SPECTROMETRY | ULTRAVIOLET DETECTION | RADIOIMMUNOASSAY | PERFORMANCE LIQUID-CHROMATOGRAPHY | SERUM 25-HYDROXYVITAMIN-D | PHARMACOLOGY & PHARMACY | DEQAS | 25-Hydroxyvitamin D
Journal Article
Clinical Chemistry, ISSN 0009-9147, 07/2009, Volume 55, Issue 7, pp. 1300 - 1302
  [...] immunoassay kits are subject to performance changes over time, perhaps due to the reformulation of standards or reagents (a change of antibody being an... 
VITAMIN-D | SERUM | MEDICAL LABORATORY TECHNOLOGY | TANDEM MASS-SPECTROMETRY | Tandem Mass Spectrometry | Humans | Radioimmunoassay | Sensitivity and Specificity | Chromatography, Liquid | Vitamin D - analogs & derivatives | Vitamin D - blood | Studies | Problems | Accuracy | Laboratories | Methods | Manufacturers
Journal Article
Journal Article
The Journal of Clinical Endocrinology & Metabolism, ISSN 0021-972X, 05/2016, Volume 101, Issue 5, pp. 2226 - 2234
Journal Article
Journal Article
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, ISSN 0021-972X, 03/2008, Volume 93, Issue 3, pp. 677 - 681
Context: Two reports suggested that vitamin D-2 is less effective than vitamin D-3 in maintaining vitamin D status. Objective: Our objective was to determine... 
WOMEN | ENDOCRINOLOGY & METABOLISM | D DEFICIENCY | SERUM | D INSUFFICIENCY
Journal Article
AMERICAN JOURNAL OF CLINICAL NUTRITION, ISSN 0002-9165, 08/2008, Volume 88, Issue 2, pp. 507S - 510S
Journal Article