@article{saporito_regina_perren_gabutti_anselmi_cafarotti_mongelli_2023,  title={Contribution margin per hour of operating room to reallocate unutilized operating room time: a cost-effectiveness analysis},  volume={73},  ISSN={2352-2291},  url={https://doi.org/10.1016/j.bjane.2021.03.024},  DOI={10.1016/j.bjane.2021.03.024},  number={3},  journal={Brazilian Journal of Anesthesiology},  publisher={Sociedade Brasileira de Anestesiologia (SBA)},  author={Saporito, Andrea and Regina, Davide La and Perren, Andreas and Gabutti, Luca and Anselmi, Luciano and Cafarotti, Stefano and Mongelli, Francesco},  year={2023},  month={May},  pages={243–249} }