For citations:
Drapkina O.M., Samorodskaya I.V., Yavelov I.S., Kashtalap V.V., Barbarash O.I. Regional differences in cardiac mortality rates in Russia: the role of statistical features. Cardiovascular Therapy and Prevention. 2021;20(7):2928. (In Russ.) https://doi.org/10.15829/1728-8800-2021-2928