For citations:

Samorodskaya I.V., Starinskaya M.A., Boytsov S.A. Changes of regional mortality rates from cardiovascular diseases and cognitive disorders in Russia over 2019-2021. Russian Journal of Cardiology. 2023;28(4):5256. (In Russ.) https://doi.org/10.15829/1560-4071-2023-5256