@misc{miscc8ca32fa, title = {Mitral valve repair with quadrangular resection with double teflon no ring technique: 12 years results}, author = {Pomerantzeff, Pablo and Brandão, Carlos and Silva, Marcos and Guedes, Marco and Stolf, Noedir Antonio}, year = {2008}, booktitle = {World Congress of the World Society of Cardio-Thoracic Surgeons} }