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Nagy A, Rossant J, Nagy R, Abramow-Newerly W, Roder JC.Nagy A, et al. Among authors: roder jc.Proc Natl Acad Sci U S A. 1993 Sep 15;90(18):8424-8. doi: 10.1073/pnas.90.18.8424.Proc Natl Acad Sci U S A. 1993.PMID: 8378314Free PMC article.