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Souza EM, Wu MK, van der Sluis LW, Leonardo RT, Bonetti-Filho I, Wesselink PR.Souza EM, et al. Among authors: leonardo rt.Int Endod J. 2009 Aug;42(8):719-26. doi: 10.1111/j.1365-2591.2009.01575.x. Epub 2009 May 8.Int Endod J. 2009.PMID: 19467040