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Hamdoun A, Epel D.Hamdoun A, et al.Proc Natl Acad Sci U S A. 2007 Feb 6;104(6):1745-50. doi: 10.1073/pnas.0610108104. Epub 2007 Jan 30.Proc Natl Acad Sci U S A. 2007.PMID: 17264211Free PMC article.Review.