EXPERIENCE OF MANAGEMENT OF THE PATIENT WITH THE RESYNCHRONIZATION BIVENTRICULAR PACING WITHOUT DESTRUCTION OF ATRIO-VENTRICULAR NODE SUFFERING FROM CHRONIC HEART FAILURE AND PERMANENT ATRIAL FIBRILLATION. (2015). The Journal of V. N. Karazin Kharkiv National University, Series "Medicine", 25, 72-76. https://periodicals.karazin.ua/medicine/article/view/3403