@article{articlec26df13a, title = {Valvoplastia mitral por cateter balao em pacientes de alto risco operatorio}, author = {Cardoso, L F and Grinberg, M and Ayres, C V and Ratti, M A N and Medeiros, C C J and Tarasoutchi, F and Sant'anna, F M and Bellotti, Giovanni}, year = {1993}, journal = {Arquivos Brasileiros de Cardiologia} }