For citations:

Vechorko V.I., Averkov O.V., Grishin D.V., Zimin A.A. NEWS2, 4C Mortality Score, COVID-GRAM, Sequential Organ Failure Assessment Quick scales as outcomes assessment tools for severe COVID-19 (pilot retrospective cohort study). Cardiovascular Therapy and Prevention. 2022;21(3):3103. (In Russ.) https://doi.org/10.15829/1728-8800-2022-3103