@article{waltner-toews_2001,  title={The author replies},  volume={17},  ISSN={0102-311X},  url={https://doi.org/10.1590/S0102-311X2001000700011},  DOI={10.1590/S0102-311X2001000700011},  journal={Cadernos de Saúde Pública},  publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz},  author={Waltner-Toews, David},  year={2001},  pages={S34–S36} }