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Rocha RS, Silva JG, Peixoto SV, Caldeira RL, Firmo JO, Carvalho O dos S, Katz N.Rocha RS, et al. Among authors: peixoto sv.Rev Soc Bras Med Trop. 2000 Sep-Oct;33(5):431-6.Rev Soc Bras Med Trop. 2000.PMID: 11064579Portuguese.