@article{1998,  title={
     },  volume={71},  ISSN={0066-782X},  url={https://doi.org/10.1590/S0066-782X1998001000015},  DOI={10.1590/S0066-782X1998001000015},  number={4},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  year={1998},  month={Oct},  pages={643–646} }