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Flandorfer A, García-Sastre A, Basler CF, Palese P.Flandorfer A, et al. Among authors: basler cf.J Virol. 2003 Sep;77(17):9116-23. doi: 10.1128/jvi.77.17.9116-9123.2003.J Virol. 2003.PMID: 12915528Free PMC article.