@article{1999,  volume={25},  ISSN={0102-3586},  url={https://doi.org/10.1590/S0102-35861999000500012},  DOI={10.1590/S0102-35861999000500012},  number={5},  journal={Jornal de Pneumologia},  publisher={Sociedade Brasileira de Pneumologia e Tisiologia},  year={1999},  month={Sep},  pages={279–284} }