THE COMPARATIVE ANALYSIS OF APPLICATION OF HIGH-FREQUENCY ELECTROSURGICAL AND ULTRASONIC EQUIPMENTS FOR PERFORMANCE LAPAROSCOPIC CHOLECYSECTOMY FOR PATIENTS WITH GALLSTONE DISEASE. J. V. N. Karazin Khark. Nat. Univ., Ser. Med. 2015;(15):31-36. дата звернення Жовтень 25, 2026. https://periodicals.karazin.ua/medicine/article/view/7004