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Plasma 25-hydroxyvitamin D3, folate and vitamin B12 biomarkers among international colorectal cancer patients: a pilot study.
Ulrich CM, Toriola AT, Siegel EM, Brenner H, Chang-Claude J, Abbenhardt C, Kotzmann J, Song X, Owen RW, Hoffmeister M, Becher H, Shibata D, Vickers K, Rush SK, Makar K, Würtele G, Haubner R, Sellers TA, Grady W. Ulrich CM, et al. J Nutr Sci. 2013 Apr 9;2:e9. doi: 10.1017/jns.2012.28. eCollection 2013. J Nutr Sci. 2013. PMID: 25191595 Free PMC article.
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