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Newcomb RD, Campbell PM, Ollis DL, Cheah E, Russell RJ, Oakeshott JG.Newcomb RD, et al. Among authors: oakeshott jg.Proc Natl Acad Sci U S A. 1997 Jul 8;94(14):7464-8. doi: 10.1073/pnas.94.14.7464.Proc Natl Acad Sci U S A. 1997.PMID: 9207114Free PMC article.