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Gomes Kde O, Reis EA, Guimarães MD, Cherchiglia ML.Gomes Kde O, et al.Cad Saude Publica. 2013 Sep;29(9):1829-42. doi: 10.1590/0102-311X00151412.Cad Saude Publica. 2013.PMID: 24068228Free article.Portuguese.