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Mason GM, Poole E, Sissons JG, Wills MR, Sinclair JH.Mason GM, et al. Among authors: sissons jg.Proc Natl Acad Sci U S A. 2012 Sep 4;109(36):14538-43. doi: 10.1073/pnas.1204836109. Epub 2012 Jul 23.Proc Natl Acad Sci U S A. 2012.PMID: 22826250Free PMC article.