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Savoca MS, Nevitt GA.Savoca MS, et al. Among authors: nevitt ga.Proc Natl Acad Sci U S A. 2014 Mar 18;111(11):4157-61. doi: 10.1073/pnas.1317120111. Epub 2014 Mar 3.Proc Natl Acad Sci U S A. 2014.PMID: 24591607Free PMC article.