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Azar GA, Lemaître F, Robey EA, Bousso P.Azar GA, et al.Proc Natl Acad Sci U S A. 2010 Feb 23;107(8):3675-80. doi: 10.1073/pnas.0905901107. Epub 2010 Feb 4.Proc Natl Acad Sci U S A. 2010.PMID: 20133676Free PMC article.