@article{weller_1997,  title={Foreword},  volume={92},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761997000800002},  DOI={10.1590/S0074-02761997000800002},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Weller, Peter F},  year={1997},  month={Dec},  pages={5–5} }