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Tavares-Neto J, Azevêdo ES.Tavares-Neto J, et al.Rev Assoc Med Bras (1992). 2009 Jul-Aug;55(4):400-4. doi: 10.1590/s0104-42302009000400013.Rev Assoc Med Bras (1992). 2009.PMID: 19750305Free article.Portuguese.