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Kaiser TD, Pacheco FC, Lima AA, Pereira EM, Santos KR, Nunes AP.Kaiser TD, et al. Among authors: pereira em.Rev Soc Bras Med Trop. 2010 May-Jun;43(3):298-303. doi: 10.1590/s0037-86822010000300017.Rev Soc Bras Med Trop. 2010.PMID: 20563500Free article.Portuguese.