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Yu X, Trang P, Shah S, Atanasov I, Kim YH, Bai Y, Zhou ZH, Liu F.Yu X, et al. Among authors: zhou zh.Proc Natl Acad Sci U S A. 2005 May 17;102(20):7103-8. doi: 10.1073/pnas.0408826102. Epub 2005 May 9.Proc Natl Acad Sci U S A. 2005.PMID: 15883374Free PMC article.