@article{eroglu_kartal_saral_2021,  title={Helmet mask and tocilizumab for a patient with hemophagocytic lymphohistiocytosis syndrome and COVID-19: a case report},  volume={71},  ISSN={2352-2291},  url={https://doi.org/10.1016/j.bjane.2020.10.009},  DOI={10.1016/j.bjane.2020.10.009},  number={1},  journal={Brazilian Journal of Anesthesiology},  publisher={Sociedade Brasileira de Anestesiologia (SBA)},  author={Eroglu, Ahmet and Kartal, Seyfi and Saral, Ozlem Bayraktar},  year={2021},  month={Jan},  pages={79–83} }