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Knight JB, Eyster CA, Griesel BA, Olson AL.Knight JB, et al. Among authors: griesel ba.Proc Natl Acad Sci U S A. 2003 Dec 9;100(25):14725-30. doi: 10.1073/pnas.2432756100. Epub 2003 Nov 20.Proc Natl Acad Sci U S A. 2003.PMID: 14630949Free PMC article.