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Otto K, Silhavy TJ.Otto K, et al. Among authors: silhavy tj.Proc Natl Acad Sci U S A. 2002 Feb 19;99(4):2287-92. doi: 10.1073/pnas.042521699. Epub 2002 Feb 5.Proc Natl Acad Sci U S A. 2002.PMID: 11830644Free PMC article.