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Maciel-de-Freitas R, Peres RC, Souza-Santos R, Lourenço-de-Oliveira R.Maciel-de-Freitas R, et al.Trop Med Int Health. 2008 Dec;13(12):1488-94. doi: 10.1111/j.1365-3156.2008.02162.x. Epub 2008 Oct 10.Trop Med Int Health. 2008.PMID: 18983276Free article.