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Folic acid and vitamin B-12 supplementation does not favorably influence uracil incorporation and promoter methylation in rectal mucosa DNA of subjects with previous colorectal adenomas.
van den Donk M, Pellis L, Crott JW, van Engeland M, Friederich P, Nagengast FM, van Bergeijk JD, de Boer SY, Mason JB, Kok FJ, Keijer J, Kampman E. van den Donk M, et al. J Nutr. 2007 Sep;137(9):2114-20. doi: 10.1093/jn/137.9.2114. J Nutr. 2007. PMID: 17709451 Free article. Clinical Trial.
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