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Nesser NK, Peterson DO, Hawley DK.Nesser NK, et al. Among authors: hawley dk.Proc Natl Acad Sci U S A. 2006 Feb 28;103(9):3268-73. doi: 10.1073/pnas.0511330103. Epub 2006 Feb 21.Proc Natl Acad Sci U S A. 2006.PMID: 16492753Free PMC article.