For citations:
Parshin V.V., Berezhnaia E.E., Ketskalo M.V., Lezhnev D.A. The Computer-Tomographic Semiotics, Volume of Lung Damage and Morphological Comparisons in Patients with Severe and Extremely Severe Coronavirus Pneumonia (COVID-19). Radiology - Practice. 2021;(1):34-51. (In Russ.)