Effect of Tocilizumab vs Usual Care in Adults Hospitalized With COVID-19 and Moderate or Severe Pneumonia: A Randomized Clinical Trial. Hermine, Olivier; Mariette, Xavier; Tharaux, Pierre-Louis; Resche-Rigon, Matthieu; Porcher, Raphaël; Ravaud, Philippe; CORIMUNO-19 Collaborative Group. JAMA internal medicine. 2021; 181: p.32-40. doi:10.1001/jamainternmed.2020.6820Article
Clinical epidemiology