@article{gregori junior_2012,  title={Conservative surgical management of mitral insufficiency: an alternative approach},  volume={27},  ISSN={0102-7638},  url={https://doi.org/10.5935/1678-9741.20120049},  DOI={10.5935/1678-9741.20120049},  number={2},  journal={Brazilian Journal of Cardiovascular Surgery},  publisher={Sociedade Brasileira de Cirurgia Cardiovascular},  author={Gregori Junior, Francisco},  year={2012},  month={Apr},  pages={312–317} }