BurdаІ.Yu. “RELATIONSHIP BETWEEN THE QRS COMPLEX DURATION AND CLINICAL MANIFESTATION OF ATRIAL FIBRILLATION”. The Journal of V. N. Karazin Kharkiv National University, series "Medicine"0, no. 19 (1): 31-37. Accessed April 26, 2024. https://periodicals.karazin.ua/medicine/article/view/6934.