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Weisshart K, Kuo AA, Painter GR, Wright LL, Furman PA, Coen DM.Weisshart K, et al.Proc Natl Acad Sci U S A. 1993 Feb 1;90(3):1028-32. doi: 10.1073/pnas.90.3.1028.Proc Natl Acad Sci U S A. 1993.PMID: 7679215Free PMC article.