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Fontes-Villalba M, Carrera-Bastos P, Cordain L.Fontes-Villalba M, et al. Among authors: cordain l.Proc Natl Acad Sci U S A. 2013 Oct 22;110(43):E4055. doi: 10.1073/pnas.1311461110. Epub 2013 Sep 23.Proc Natl Acad Sci U S A. 2013.PMID: 24062471Free PMC article.No abstract available.