@inproceedings{inproceedings9b97e475, title = {Valvar reoperations}, author = {Brandão, C. M. A. and Pomerantzeff, Pablo Maria Alberto and Fonseca, M. H. and Cunha, C. R. and Puig, Luiz Bóro and Cardoso, L. F. and Tarasoutchi, F. and Stolf, Noedir Antônio Groppo}, year = {1999}, booktitle = {World Congress of the World Society of Cardio-Thoracic Surgeons} }