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Mendes LL, Campos SF, Malta DC, Bernal RT, de Sá NN, Velásquez-Meléndez G.Mendes LL, et al.Rev Bras Epidemiol. 2011 Sep;14 Suppl 1:80-9. doi: 10.1590/s1415-790x2011000500009.Rev Bras Epidemiol. 2011.PMID: 22002145Free article.English, Portuguese.
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