Interlaboratory comparison of 25-hydroxyvitamin D assays: Vitamin D Standardization Program (VDSP) Intercomparison Study 2 — Part 1 liquid chromatography – tandem mass spectrometry (LC-MS/MS) assays — impact of 3-epi-25-hydroxyvitamin D3 on assay performance
2013 ◽
Vol 932
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pp. 6-11
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2014 ◽
Vol 29
(1)
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pp. 1-9
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2012 ◽
Vol 413
(15-16)
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pp. 1239-1243
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2009 ◽
Vol 46
(1)
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pp. 79-81
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2018 ◽
Vol 38
(3)
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pp. 553-564
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