Golubkina, E. O., and O. O. Golubkina. “ASSESSMENT OF CHANGES IN THE DISTRIBUTION RATIOS OF ULTRA-LOW-FREQUENCY, LOW-FREQUENCY AND HIGH-FREQUENCY COMPONENTS OF HEART RATE VARIABILITY DURING THE PACED BREATHING TEST IN PATIENTS WITH ARTERIAL HYPERTENSION”. The Journal of V. N. Karazin Kharkiv National University, series "Medicine"0, no. 31 (November 17, 2016): 10-17. Accessed January 27, 2022. https://periodicals.karazin.ua/medicine/article/view/6351.