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The Accuracy of Vitamin D Assays of Circulating 25-Hydroxyvitamin D Values: Influence of 25-Hydroxylated Ergocalciferol Concentration

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A Rapid Method for the Determination of Vitamin D₃ in Milk and Infant Formula by Liquid Chromatography/Tandem Mass Spectrometry

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Journal of AOAC International, Vol. 98, Iss. 2, 2015-03 ,pp. : 431-435

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Determination of Vitamin B₁₂ in Milk Products and Selected Foods by Optical Biosensor Protein-Binding Assay: Method Comparison

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Single-Laboratory Validation of a Method for the Determination of Vitamin D₃ in Dietary Supplements by Liquid Chromatography with Tandem Mass Spectrometry (LC-MS/MS)

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