@article{ferreira_2000,  title={Infections by protozoa in immunocompromised hosts},  volume={95},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02762000000700026},  DOI={10.1590/S0074-02762000000700026},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Ferreira, Marcelo Simão},  year={2000},  pages={159–162} }