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Guimarães VA, Atik E, Castelli JB, Ikari NM, Thomaz AM, Lopes AA.Guimarães VA, et al. Among authors: thomaz am.Arq Bras Cardiol. 2010 Apr;94(4):e109-12. doi: 10.1590/s0066-782x2010000400024.Arq Bras Cardiol. 2010.PMID: 20498923Free article.Portuguese.