Zaporozhchenko, B., V. Kolodiy, A. Gorbunov, P. Muraviov, I. Holodov, and V. Shevchenko. “"Gasless" Laparoscopy in Simultaneous Surgery of the Abdominal Cavity, Retroperitoneal Space and Small Pelvis Cavity”. Reports of Vinnytsia National Medical University, Vol. 20, no. 1(2), Sept. 2017, pp. 260-3, https://reports-vnmedical.com.ua/index.php/journal/article/view/358.