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Desurmont GA, Donoghue MJ, Clement WL, Agrawal AA.Desurmont GA, et al. Among authors: clement wl.Proc Natl Acad Sci U S A. 2011 Apr 26;108(17):7070-4. doi: 10.1073/pnas.1102891108. Epub 2011 Apr 11.Proc Natl Acad Sci U S A. 2011.PMID: 21482779Free PMC article.