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Hai B, Gorovsky MA.Hai B, et al. Among authors: gorovsky ma.Proc Natl Acad Sci U S A. 1997 Feb 18;94(4):1310-5. doi: 10.1073/pnas.94.4.1310.Proc Natl Acad Sci U S A. 1997.PMID: 9037049Free PMC article.