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Montgomery JR, Meredith AL.Montgomery JR, et al. Among authors: meredith al.Proc Natl Acad Sci U S A. 2012 Nov 13;109(46):18997-9002. doi: 10.1073/pnas.1205573109. Epub 2012 Oct 29.Proc Natl Acad Sci U S A. 2012.PMID: 23112153Free PMC article.