KL Zheng, Y Xu, YF Guo, L Diao, XY Kong… - Aging (Albany …, 2020 - ncbi.nlm.nih.gov
… efficacy and safety of tocilizumab in patients with critical or severe coronavirus disease 2019
(COVID-19)… (Wuhan, China) with confirmed COVID-19 between January 2020 and February …