@article{piva_miethke-morais_cassenote_carneiro-d´albuquerque_haddad_2026,  title={The economic impact of COVID-19: a comparative cost analysis of ICU hospitalizations before and during the pandemic},  volume={81},  ISSN={1807-5932},  url={https://doi.org/10.1016/j.clinsp.2026.100891},  DOI={10.1016/j.clinsp.2026.100891},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Piva, Heloisa Helena and Miethke-Morais, Anna and Cassenote, Alex Jones Flores and Carneiro-D´Albuquerque, Luiz Augusto and Haddad, Luciana Bertocco de Paiva},  year={2026},  pages={100891} }