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Thiele DL, Lipsky PE.Thiele DL, et al. Among authors: lipsky pe.Proc Natl Acad Sci U S A. 1990 Jan;87(1):83-7. doi: 10.1073/pnas.87.1.83.Proc Natl Acad Sci U S A. 1990.PMID: 2296607Free PMC article.