@article{vieira_ferraro_2026,  title={Association between atmospheric SO<sub>2</sub> exposure and severity of respiratory infections in infants: a systematic review},  volume={68},  ISSN={0036-4665},  url={https://doi.org/10.1590/S1678-9946202668045},  DOI={10.1590/S1678-9946202668045},  journal={Revista do Instituto de Medicina Tropical de São Paulo},  publisher={Instituto de Medicina Tropical de São Paulo},  author={Vieira, Sandra Elisabete and Ferraro, Alexandre Archanjo},  year={2026},  pages={e45} }