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Borghi-Silva A, Mendes RG, Costa Fde S, Di Lorenzo VA, Oliveira CR, Luzzi S.Borghi-Silva A, et al.Clinics (Sao Paulo). 2005 Dec;60(6):465-72. doi: 10.1590/s1807-59322005000600007. Epub 2005 Dec 12.Clinics (Sao Paulo). 2005.PMID: 16358136Free article.Clinical Trial.