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Lima SM Jr, Chrcanovic BR, de Paula AM, Freire-Maia B, Souza LN.Lima SM Jr, et al.ScientificWorldJournal. 2003 Mar 24;3:156-62. doi: 10.1100/tsw.2003.04.ScientificWorldJournal. 2003.PMID: 12806127Free PMC article.