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Leone TC, Weinheimer CJ, Kelly DP.Leone TC, et al.Proc Natl Acad Sci U S A. 1999 Jun 22;96(13):7473-8. doi: 10.1073/pnas.96.13.7473.Proc Natl Acad Sci U S A. 1999.PMID: 10377439Free PMC article.