Matiushkov, Nikita S., I. N. Tyurin, S. N. Avdeikin, A. V. Boyarkov, D. N. Kazakov, D. M. Kostin, A. V. Srednyakov, and D. N. Protsenko. 2021. “Respiratory Support in COVID-19 Patients in Kommunarka Hospital: A Single-Centered, Retrospective Study”. Annals of Critical Care, no. 3 (October): 47-60. https://doi.org/10.21320/1818-474X-2021-3-47-60.