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Bassett DS, Wymbs NF, Porter MA, Mucha PJ, Carlson JM, Grafton ST.Bassett DS, et al. Among authors: wymbs nf.Proc Natl Acad Sci U S A. 2011 May 3;108(18):7641-6. doi: 10.1073/pnas.1018985108. Epub 2011 Apr 18.Proc Natl Acad Sci U S A. 2011.PMID: 21502525Free PMC article.