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Grimm D, Tilly K, Byram R, Stewart PE, Krum JG, Bueschel DM, Schwan TG, Policastro PF, Elias AF, Rosa PA.Grimm D, et al.Proc Natl Acad Sci U S A. 2004 Mar 2;101(9):3142-7. doi: 10.1073/pnas.0306845101. Epub 2004 Feb 17.Proc Natl Acad Sci U S A. 2004.PMID: 14970347Free PMC article.
Fisher MA, Grimm D, Henion AK, Elias AF, Stewart PE, Rosa PA, Gherardini FC.Fisher MA, et al. Among authors: grimm d.Proc Natl Acad Sci U S A. 2005 Apr 5;102(14):5162-7. doi: 10.1073/pnas.0408536102. Epub 2005 Mar 2.Proc Natl Acad Sci U S A. 2005.PMID: 15743918Free PMC article.