@article{mustafá_braile_ardito_santos_zaiantchik_soares_leal_1991,  title={Aneurisma do seio de Valsalva: análise de sete casos},  volume={6},  ISSN={0102-7638},  url={https://doi.org/10.1590/S0102-76381991000100008},  DOI={10.1590/S0102-76381991000100008},  number={1},  journal={Brazilian Journal of Cardiovascular Surgery},  publisher={Sociedade Brasileira de Cirurgia Cardiovascular},  author={Mustafá, Ricardo M and Braile, Domingo M and Ardito, Roberto V and Santos, José Luiz Verde dos and Zaiantchik, Marcos and Soares, Marcelo José Ferreira and Leal, João Carlos Ferreira},  year={1991},  month={Jan},  pages={45–48} }