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Fantini J, Cook DG, Nathanson N, Spitalnik SL, Gonzalez-Scarano F.Fantini J, et al.Proc Natl Acad Sci U S A. 1993 Apr 1;90(7):2700-4. doi: 10.1073/pnas.90.7.2700.Proc Natl Acad Sci U S A. 1993.PMID: 8464878Free PMC article.
Bhat S, Spitalnik SL, Gonzalez-Scarano F, Silberberg DH.Bhat S, et al.Proc Natl Acad Sci U S A. 1991 Aug 15;88(16):7131-4. doi: 10.1073/pnas.88.16.7131.Proc Natl Acad Sci U S A. 1991.PMID: 1871126Free PMC article.