@article{howard_1986,  title={Proceeding of the round-table on host-parasite relationship},  volume={81},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761986000600016},  DOI={10.1590/S0074-02761986000600016},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Howard, Russell J.},  year={1986},  pages={93–94} }