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Freitas DB, Reis MP, Lima-Bittencourt CI, Costa PS, Assis PS, Chartone-Souza E, Nascimento AM.Freitas DB, et al.BMC Res Notes. 2008 Oct 17;1:92. doi: 10.1186/1756-0500-1-92.BMC Res Notes. 2008.PMID: 18928552Free PMC article.