Yabluchansky, M.I., and A.V. Martynenko. “HEART RATE VARIABILITY ANALYSIS AT ARRHYTHMIA WITH SAVED SINUS RHYTHM”. The Journal of V. N. Karazin Kharkiv National University, series "Medicine"0, no. 11 (1): 35-42. Accessed April 26, 2024. https://periodicals.karazin.ua/medicine/article/view/7143.