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Shuster CB, Burgess DR.Shuster CB, et al. Among authors: burgess dr.Proc Natl Acad Sci U S A. 2002 Mar 19;99(6):3633-8. doi: 10.1073/pnas.052342699. Epub 2002 Mar 12.Proc Natl Acad Sci U S A. 2002.PMID: 11891298Free PMC article.