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	1.	Overestimation of 25-hydroxyvitamin D3 by increased ionisation efficiency of 3-epi-25-hydroxyvitamin D3 in LC-MS/MS methods not separating both metabolites as determined by an LC-MS/MS method for separate quantification of 25-hydroxyvitamin D3, 3-epi-25-hydroxyvitamin D3 and 25-hydroxyvitamin D2 in human serum. [electronic resource] by van den Ouweland, Johannes M W Beijers, Antonius M van Daal, Henny Producer: 20150511 In: Journal of chromatography. B, Analytical technologies in the biomedical and life sciences vol. 967 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Fast separation of 25-hydroxyvitamin D3 from 3-epi-25-hydroxyvitamin D3 in human serum by liquid chromatography-tandem mass spectrometry: variable prevalence of 3-epi-25-hydroxyvitamin D3 in infants, children, and adults. [electronic resource] by van den Ouweland, Johannes M W Beijers, Antonius M van Daal, Henny Producer: 20111215 In: Clinical chemistry vol. 57 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Measurement of 25-OH-vitamin D in human serum using liquid chromatography tandem-mass spectrometry with comparison to radioimmunoassay and automated immunoassay. [electronic resource] by van den Ouweland, Johannes M W Beijers, Antonius M Demacker, Pierre N M van Daal, Henny Producer: 20100802 In: Journal of chromatography. B, Analytical technologies in the biomedical and life sciences vol. 878 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Time-course analysis of 3-epi-25-hydroxyvitamin D3 shows markedly elevated levels in early life, particularly from vitamin D supplementation in preterm infants. [electronic resource] by Ooms, Nina van Daal, Henny Beijers, Antonius M Gerrits, G Peter J M Semmekrot, Ben A van den Ouweland, Johannes M W Producer: 20170130 In: Pediatric research vol. 79 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Plasma citrulline measurement using UPLC tandem mass-spectrometry to determine small intestinal enterocyte pathology. [electronic resource] by Demacker, Pierre N M Beijers, Antonius M van Daal, Henny Donnelly, J Peter Blijlevens, Nicole M A van den Ouweland, Johannes M W Producer: 20090407 In: Journal of chromatography. B, Analytical technologies in the biomedical and life sciences vol. 877 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Evaluation of 3-epi-25-hydroxyvitamin D3 cross-reactivity in the Roche Elecsys Vitamin D Total protein binding assay. [electronic resource] by van den Ouweland, Johannes M W Beijers, Antonius M van Daal, Henny Elisen, Marc G L M Steen, Gerard Wielders, Jos P M Producer: 20140918 In: Clinical chemistry and laboratory medicine vol. 52 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)