For citations:
Zaicev A.A., Bolotova E.V., Dudnikova A.V., Sнulzhenko L.V., Vizel A.A., Kostina N.E., Nedashkovskaya N.G. Results of an open observational multicenter study of the effectiveness and tolerability of levodropropizine in comparison with standard antitussive therapy (real practice) in the treatment of patients with COVID-19. PULMONOLOGIYA. 2022;32(4):548-557. (In Russ.) https://doi.org/10.18093/0869-0189-2022-32-4-548-557