@article{1992,  title={
       },  volume={87},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761992000900024},  DOI={10.1590/S0074-02761992000900024},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  year={1992} }