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Santos Filho RD, Tranchesi Júnior B, Caramelli B, Barbosa V, Gebara O, de Albuquerque CP, Vinagre C, Maranhão R, Pileggi F.Santos Filho RD, et al.Arq Bras Cardiol. 1991 Jul;57(1):9-12.Arq Bras Cardiol. 1991.PMID: 1823766Portuguese.