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Lopes AA, Lanzoni AN, Hino AA, Rodriguez-Añez CR, Reis RS.Lopes AA, et al.Rev Bras Epidemiol. 2014 Dec;17(4):938-53. doi: 10.1590/1809-4503201400040012.Rev Bras Epidemiol. 2014.PMID: 25388493Free article.English, Portuguese.