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de Freitas LM, de Freitas KM, Pinzan A, Janson G, de Freitas MR.de Freitas LM, et al. Among authors: janson g.J Appl Oral Sci. 2010 Mar-Apr;18(2):135-42. doi: 10.1590/s1678-77572010000200007.J Appl Oral Sci. 2010.PMID: 20485924Free PMC article.