Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

15 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Reduced Vitamin K Status as a Potentially Modifiable Risk Factor of Severe Coronavirus Disease 2019.
Dofferhoff ASM, Piscaer I, Schurgers LJ, Visser MPJ, van den Ouweland JMW, de Jong PA, Gosens R, Hackeng TM, van Daal H, Lux P, Maassen C, Karssemeijer EGA, Vermeer C, Wouters EFM, Kistemaker LEM, Walk J, Janssen R. Dofferhoff ASM, et al. Among authors: van daal h. Clin Infect Dis. 2021 Dec 6;73(11):e4039-e4046. doi: 10.1093/cid/ciaa1258. Clin Infect Dis. 2021. PMID: 32852539 Free PMC article.
Effects of Vitamin D and K on Interleukin-6 in COVID-19.
Visser MPJ, Dofferhoff ASM, van den Ouweland JMW, van Daal H, Kramers C, Schurgers LJ, Janssen R, Walk J. Visser MPJ, et al. Among authors: van daal h. Front Nutr. 2022 Jan 17;8:761191. doi: 10.3389/fnut.2021.761191. eCollection 2021. Front Nutr. 2022. PMID: 35111793 Free PMC article.
Corrigendum: Effects of Vitamin D and K on Interleukin-6 in COVID-19.
Visser MPJ, Dofferhoff ASM, van den Ouweland JMW, van Daal H, Kramers C, Schurgers LJ, Janssen R, Walk J. Visser MPJ, et al. Among authors: van daal h. Front Nutr. 2022 Mar 8;9:868324. doi: 10.3389/fnut.2022.868324. eCollection 2022. Front Nutr. 2022. PMID: 35356738 Free PMC article.
Measurement of 25-OH-vitamin D in human serum using liquid chromatography tandem-mass spectrometry with comparison to radioimmunoassay and automated immunoassay.
van den Ouweland JM, Beijers AM, Demacker PN, van Daal H. van den Ouweland JM, et al. Among authors: van daal h. J Chromatogr B Analyt Technol Biomed Life Sci. 2010 May 1;878(15-16):1163-8. doi: 10.1016/j.jchromb.2010.03.035. Epub 2010 Mar 25. J Chromatogr B Analyt Technol Biomed Life Sci. 2010. PMID: 20381436
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.
van den Ouweland JM, Beijers AM, van Daal H. van den Ouweland JM, et al. Among authors: van daal h. J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Sep 15;967:195-202. doi: 10.1016/j.jchromb.2014.07.021. Epub 2014 Jul 31. J Chromatogr B Analyt Technol Biomed Life Sci. 2014. PMID: 25125396
Plasma citrulline measurement using UPLC tandem mass-spectrometry to determine small intestinal enterocyte pathology.
Demacker PN, Beijers AM, van Daal H, Donnelly JP, Blijlevens NM, van den Ouweland JM. Demacker PN, et al. Among authors: van den ouweland jm, van daal h. J Chromatogr B Analyt Technol Biomed Life Sci. 2009 Feb 1;877(4):387-92. doi: 10.1016/j.jchromb.2008.12.041. Epub 2008 Dec 25. J Chromatogr B Analyt Technol Biomed Life Sci. 2009. PMID: 19144577
15 results