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Grimm D, Staeheli P, Hufbauer M, Koerner I, Martínez-Sobrido L, Solórzano A, García-Sastre A, Haller O, Kochs G.Grimm D, et al. Among authors: haller o.Proc Natl Acad Sci U S A. 2007 Apr 17;104(16):6806-11. doi: 10.1073/pnas.0701849104. Epub 2007 Apr 10.Proc Natl Acad Sci U S A. 2007.PMID: 17426143Free PMC article.