For citations:
Lebedev D.S., Marinin V.A., Pyshnyy M.V., Lebedeva V.K., Osadchiy A.M., Ovchinnikov V.A. APICAL PACING OF THE RIGHT VENTRICLE AS A CAUSE OF THE HEART FAILURE PROGRESSION, WHICH REQUIRED SWITCH TO THREE-CHAMBER PACING. Journal of Arrhythmology. 2009;(57):71-74. (In Russ.)