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Chang JH, Urbach JM, Law TF, Arnold LW, Hu A, Gombar S, Grant SR, Ausubel FM, Dangl JL.Chang JH, et al.Proc Natl Acad Sci U S A. 2005 Feb 15;102(7):2549-54. doi: 10.1073/pnas.0409660102. Epub 2005 Feb 8.Proc Natl Acad Sci U S A. 2005.PMID: 15701698Free PMC article.