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Perin FM, França SC, Silva-Sousa YT, Alfredo E, Saquy PC, Estrela C, Sousa-Neto MD.Perin FM, et al.Aust Endod J. 2004 Apr;30(1):20-2. doi: 10.1111/j.1747-4477.2004.tb00162.x.Aust Endod J. 2004.PMID: 15116905