@article{kouri_valdéz_arguello_guzmán_valdés_soler_bravo_1991,  title={
       },  volume={33},  ISSN={0036-4665},  url={https://doi.org/10.1590/S0036-46651991000500005},  DOI={10.1590/S0036-46651991000500005},  number={5},  journal={Revista do Instituto de Medicina Tropical de São Paulo},  publisher={Instituto de Medicina Tropical de São Paulo},  author={Kouri, G. and Valdéz, M. and Arguello, L. and Guzmán, Maria G. and Valdés, L. and Soler, Maritza and Bravo, J.},  year={1991},  month={Sep},  pages={365–371} }