@article{1998,  title={
       },  volume={40},  ISSN={0036-4665},  url={https://doi.org/10.1590/S0036-46651998000400014},  DOI={10.1590/S0036-46651998000400014},  number={4},  journal={Revista do Instituto de Medicina Tropical de São Paulo},  publisher={Instituto de Medicina Tropical de São Paulo},  year={1998},  month={Jul},  pages={214–214} }