@article{bruhn_kattan_cavalcanti_2024,  title={Challenges and limitations of using ventilator-free days as an outcome in critical care trials},  volume={36},  ISSN={2965-2774},  url={https://doi.org/10.62675/2965-2774.20240088-en},  DOI={10.62675/2965-2774.20240088-en},  journal={Critical Care Science},  publisher={Associação de Medicina Intensiva Brasileira - AMIB},  author={Bruhn, Alejandro and Kattan, Eduardo and Cavalcanti, Alexandre Biasi},  year={2024},  pages={e20240088en} }