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Leonardo MR, Tanomaru Filho M, Silva LA, Nelson Filho P, Bonifácio KC, Ito IY.Leonardo MR, et al.J Endod. 1999 Mar;25(3):167-71. doi: 10.1016/s0099-2399(99)80135-6.J Endod. 1999.PMID: 10321180
da Silva LA, Nelson-Filho P, Faria G, de Souza-Gugelmin MC, Ito IY.da Silva LA, et al.Braz Dent J. 2006;17(2):144-8. doi: 10.1590/s0103-64402006000200012.Braz Dent J. 2006.PMID: 16924343Free article.