For citations:

Vlasenko A.V., Koryakin A.G., Evdokimov E.A., Eryomin D.A. Protection of upper respiratory tract of patient in conditions of respiratory support: current state of issue. Medical alphabet. 2019;1(16):30-36. (In Russ.) https://doi.org/10.33667/2078-5631-2019-1-16(391)-30-36