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Jones BC, Logsdon NJ, Josephson K, Cook J, Barry PA, Walter MR.Jones BC, et al. Among authors: logsdon nj.Proc Natl Acad Sci U S A. 2002 Jul 9;99(14):9404-9. doi: 10.1073/pnas.152147499. Epub 2002 Jul 1.Proc Natl Acad Sci U S A. 2002.PMID: 12093920Free PMC article.