Tocilizumab treatment in critically ill patients with COVID-19: A retrospective observational study.
Int J Infect Dis. 2021 Apr;105:245-251. doi: 10.1016/j.ijid.2021.02.057. Epub 2021 Feb 17.
Int J Infect Dis. 2021.
PMID: 33609773
Free PMC article.