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Devlin RH, Sakhrani D, Tymchuk WE, Rise ML, Goh B.Devlin RH, et al.Proc Natl Acad Sci U S A. 2009 Mar 3;106(9):3047-52. doi: 10.1073/pnas.0809798106. Epub 2009 Feb 17.Proc Natl Acad Sci U S A. 2009.PMID: 19223591Free PMC article.