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Rapacz J, Chen L, Butler-Brunner E, Wu MJ, Hasler-Rapacz JO, Butler R, Schumaker VN.Rapacz J, et al.Proc Natl Acad Sci U S A. 1991 Feb 15;88(4):1403-6. doi: 10.1073/pnas.88.4.1403.Proc Natl Acad Sci U S A. 1991.PMID: 1996341Free PMC article.
Maeda N, Ebert DL, Doers TM, Newman M, Hasler-Rapacz J, Attie AD, Rapacz J, Smithies O.Maeda N, et al. Among authors: rapacz j.Gene. 1988 Oct 30;70(2):213-29. doi: 10.1016/0378-1119(88)90194-1.Gene. 1988.PMID: 2905687