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Mohana-Borges R, Silva JL, Ruiz-Sanz J, de Prat-Gay G.Mohana-Borges R, et al.Proc Natl Acad Sci U S A. 1999 Jul 6;96(14):7888-93. doi: 10.1073/pnas.96.14.7888.Proc Natl Acad Sci U S A. 1999.PMID: 10393917Free PMC article.