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Coura JR, Borges-Pereira J, Alves Filho FI, de Castro JA, da Cunha RV, Costa W, Junqueira AC.Coura JR, et al.Rev Soc Bras Med Trop. 1996 Mar-Apr;29(2):197-205. doi: 10.1590/s0037-86821996000200012.Rev Soc Bras Med Trop. 1996.PMID: 8713611Portuguese.