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Figueiredo AC, de Sanctis D, Gutiérrez-Gallego R, Cereija TB, Macedo-Ribeiro S, Fuentes-Prior P, Pereira PJ.Figueiredo AC, et al.Proc Natl Acad Sci U S A. 2012 Dec 26;109(52):E3649-58. doi: 10.1073/pnas.1211614109. Epub 2012 Dec 5.Proc Natl Acad Sci U S A. 2012.PMID: 23223529Free PMC article.