For citations:
Germanova O.A., Germanov V.A., Shchukin Yu.V., Germanov A.V., Piskunov M.V. Extrasystoles: adverse effects of the first postextrasystolic contraction. Bulletin of the Medical Institute "REAVIZ" (REHABILITATION, DOCTOR AND HEALTH). 2020;(6):89-97. (In Russ.) https://doi.org/10.20340/vmi-rvz.2020.6.11