For citations:
Ushkalova E.A., Zyryanov S.K., Zatolochina K.E., Pereverzev A.P., Chukhareva N.A. Antiarrhythmic drugs use in elderly patients. Vaughan Williams class I and II drugs. Rational Pharmacotherapy in Cardiology. 2016;12(4):471-478. (In Russ.) https://doi.org/10.20996/1819-6446-2016-12-4-471-478