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Skala MC, Riching KM, Gendron-Fitzpatrick A, Eickhoff J, Eliceiri KW, White JG, Ramanujam N.Skala MC, et al. Among authors: ramanujam n.Proc Natl Acad Sci U S A. 2007 Dec 4;104(49):19494-9. doi: 10.1073/pnas.0708425104. Epub 2007 Nov 27.Proc Natl Acad Sci U S A. 2007.PMID: 18042710Free PMC article.