@article{caruso_ferreira_2024,  title={Randomized controlled trials: advantages and pitfalls when studying causality},  volume={50},  ISSN={1806-3713},  url={https://doi.org/10.36416/1806-3756/e20240052},  DOI={10.36416/1806-3756/e20240052},  number={1},  journal={Jornal Brasileiro de Pneumologia},  publisher={Sociedade Brasileira de Pneumologia e Tisiologia},  author={Caruso, Diego and Ferreira, Juliana C},  year={2024},  pages={e20240052} }