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Guo X, Verkler TL, Chen Y, Richter PA, Polzin GM, Moore MM, Mei N.Guo X, et al. Among authors: polzin gm.Mutagenesis. 2011 Mar;26(2):273-81. doi: 10.1093/mutage/geq083. Epub 2010 Oct 27.Mutagenesis. 2011.PMID: 20980367Free PMC article.