For citations:

Olesin A.I., Konstantinova I.V., Tyuteleva N.N., Zueva J.S., Ivanov V.S., Koziy A.V. POLYMORPHIC VENTRICULAR EXTRASYSTOLIA IN PATIENTS WITHOUT STRUCTURAL CHANGES IN THE HEART: CLINICAL AND PROGNOSTIC SIGNIFICANCE AND ASSESSMENT OF THE EFFECTIVENESS OF THE THERAPY (CLINICAL AND EXPERIMENTAL STUDY). Complex Issues of Cardiovascular Diseases. 2025;14(1):180-190. (In Russ.) https://doi.org/10.17802/2306-1278-2025-14-1-180-190