Bobkova, S.S., Zhukov, A.A., Protsenko, D.N., Samoylenko, V.V. and Tyurin, I.N. 2021. Comparative study of monoclonal anti-IL6 antibodies in severe new coronavirus disease COVID-19 patients. Retrospective cohort study. Annals of Critical Care. 1 (Mar. 2021), 69–76. DOI:https://doi.org/10.21320/1818-474X-2021-1-69-76.