@article{katz_1989,  title={Foreword},  volume={84},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761989000500001},  DOI={10.1590/S0074-02761989000500001},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Katz, Naftale},  year={1989},  pages={I–I} }