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Lana PE, Scelza MF, Silva LE, Mattos-Guaraldi AL, Hirata Júnior R.Lana PE, et al. Among authors: hirata junior r.Braz Dent J. 2009;20(1):32-6. doi: 10.1590/s0103-64402009000100005.Braz Dent J. 2009.PMID: 19466228Free article.