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Chernoff YO, Newnam GP, Liebman SW.Chernoff YO, et al.Proc Natl Acad Sci U S A. 1996 Mar 19;93(6):2517-22. doi: 10.1073/pnas.93.6.2517.Proc Natl Acad Sci U S A. 1996.PMID: 8637906Free PMC article.