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Meirelles Cde M, Leite SP, Montenegro CA, Gomes PS.Meirelles Cde M, et al.Arq Bras Cardiol. 2007 Sep;89(3):160-7, 176-83. doi: 10.1590/s0066-782x2007001500006.Arq Bras Cardiol. 2007.PMID: 17906817Free article.English, Portuguese.