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Borges CM, Campos AC, Vargas AD, Ferreira EF, Kawachi I.Borges CM, et al. Among authors: vargas ad.BMC Res Notes. 2010 Dec 16;3:338. doi: 10.1186/1756-0500-3-338.BMC Res Notes. 2010.PMID: 21162730Free PMC article.