@article{miranda_meletti_lima_marchi_2020,  title={Perioperative central venous oxygen saturation and its correlation with mortality during cardiac surgery: an observational prospective study},  volume={70},  ISSN={0034-7094},  url={https://doi.org/10.1016/j.bjane.2020.07.005},  DOI={10.1016/j.bjane.2020.07.005},  number={5},  journal={Revista Brasileira de Anestesiologia},  publisher={Sociedade Brasileira de Anestesiologia},  author={Miranda, César de Araujo and Meletti, José F.A. and Lima, Laís H.N. and Marchi, Evaldo},  year={2020},  month={Sep},  pages={484–490} }