For citations:
Lakhin R.E., Zhdanov A.D., Shchegolev A.V., Zhdanov K.V., Salukhov V.V., Zverev D.P., Kozlov K.V. Oxygen-Helium Gas Mixture «Heliox» for the Treatment of Respiratory Failure in Patients with New Coronavirus Infection Covid-19 (Randomized Single-Center Controlled Trial). Russian Sklifosovsky Journal "Emergency Medical Care". 2021;10(3):430-437. https://doi.org/10.23934/2223-9022-2021-10-3-430-437