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Barreto-Bergter E, Sassaki GL, de Souza LM.Barreto-Bergter E, et al.Front Microbiol. 2011 Dec 5;2:239. doi: 10.3389/fmicb.2011.00239. eCollection 2011.Front Microbiol. 2011.PMID: 22164155Free PMC article.