TоminaЕ.Е., and YabluchanskіyN.I. “PEPTIC ULCER DISEASE: CHANGE OF NOTIONS AND APPROACHES, ACCENTS TO THE HEART RATE VARIABILITY”. The Journal of V. N. Karazin Kharkiv National University, series "Medicine"0, no. 15 (1): 129-140. Accessed April 27, 2024. https://periodicals.karazin.ua/medicine/article/view/7023.