For citations:
Drapkina O.M., Samorodskaya I.V., Sivtseva M.G., Kakorina E.P., Briko N.I., Cherkasov S.N., Zinserling V.A., Malkov P.G. COVID-19: urgent questions for estimating morbidity, prevalence, case fatality rate and mortality rate. Cardiovascular Therapy and Prevention. 2020;19(3):2585. (In Russ.) https://doi.org/10.15829/1728-8800-2020-2585