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Favalessa OC, Martins Mdos A, Hahn RC.Favalessa OC, et al. Among authors: hahn rc.Rev Soc Bras Med Trop. 2010 Nov-Dec;43(6):673-7. doi: 10.1590/s0037-86822010000600014.Rev Soc Bras Med Trop. 2010.PMID: 21181021Free article.Portuguese.