@article{araujo_2002,  title={Valva ou válvula?},  volume={79},  ISSN={0066-782X},  url={https://doi.org/10.1590/S0066-782X2002001400013},  DOI={10.1590/S0066-782X2002001400013},  number={5},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Araujo, Aloir Queiroz de},  year={2002},  month={Nov},  pages={550–551} }