For citations:

Zordinova K.A., Zhangabylov A.K., Gulamova G.M. FEATURES OF THE COURSE OF COVID-19 IN A POLYMORBID ELDERLY PATIENT. Actual Problems of Theoretical and Clinical Medicine. 2021;(1):137-140. (In Russ.) https://doi.org/10.24412/2790-1289-2021-1137140