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Enis DR, Shepherd BR, Wang Y, Qasim A, Shanahan CM, Weissberg PL, Kashgarian M, Pober JS, Schechner JS.Enis DR, et al. Among authors: shanahan cm.Proc Natl Acad Sci U S A. 2005 Jan 11;102(2):425-30. doi: 10.1073/pnas.0408357102. Epub 2004 Dec 29.Proc Natl Acad Sci U S A. 2005.PMID: 15625106Free PMC article.