For citations:
Mukhamadieva V.N., Shamsutdinova N.G., Nuriakhmetova T.Yu., Abdulganieva D.I. Comparative analysis of Covid-19 course and post-covid syndrome caused by early strains and omicron strain in patients with rheumatic diseases. Medical alphabet. 2023;(31):31-38. (In Russ.) https://doi.org/10.33667/2078-5631-2023-31-31-38