Late evolution of mitral commissurotomy in patients with low echocardiographic score - Souza, Luciano Rapold; Pomerantzef, Pablo Maria Alberto; Brandao, Carlos Manuel de Almeida; Cardoso, Luiz Francisco; Carrilho, Luis Ramon Virgen; Moreira, Luiz Felipe Pinho; Grinberg, Max; Oliveira, Sergio Almeida de (European Journal of Cardio-Thoracic Surgery, 2004)