@article{pereira_andrade_1990,  title={Human leptospirosis in a slum area in the city of Rio de Janeiro, Brazil: a serological and epidemiological study},  volume={85},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761990000100007},  DOI={10.1590/S0074-02761990000100007},  number={1},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Pereira, M. M. and Andrade, J.},  year={1990},  month={Jan},  pages={47–52} }