Tsivenko, A.I., T.E. Skalozub, and L.V. Usenko. 1. “ULTRASONIC MONITORING OF A CONDITION OF ANASTOMOSIS GASTROENTERAL PATH IN THE POSTOPERATIVE PERIOD”. The Journal of V. N. Karazin Kharkiv National University, Series "Medicine", no. 16 (1), 91-95. https://periodicals.karazin.ua/medicine/article/view/6993.