TY - JOUR T1 - Helmet mask and tocilizumab for a patient with hemophagocytic lymphohistiocytosis syndrome and COVID-19: a case report JO - Brazilian Journal of Anesthesiology A1 - Eroglu, Ahmet A1 - Kartal, Seyfi A1 - Saral, Ozlem Bayraktar SN - 2352-2291 UL - 10.1016/j.bjane.2020.10.009 VL - 71 Y1 - 2021 PB - Brasil ER -