EFFECT OF AUTONOMIC REGULATION ON DIASTOLIC FUNCTION OF LEFT VENTRICULAR ON THE BASE OF THE HEART RATE VARIABILITY INDEXES AT REST AND DURING TILT-TEST IN HYPERTENSIVE PATIENTS. J. V. N. Karazin Khark. Nat. Univ., Ser. Med. 2015;(4):11-14. дата звернення Жовтень 25, 2026. https://periodicals.karazin.ua/medicine/article/view/7339