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Flory MR, Moser MJ, Monnat RJ Jr, Davis TN.Flory MR, et al.Proc Natl Acad Sci U S A. 2000 May 23;97(11):5919-23. doi: 10.1073/pnas.97.11.5919.Proc Natl Acad Sci U S A. 2000.PMID: 10823944Free PMC article.