Kryzhevskii, V. V., Yu. V. Pavlovich, and N. A. Mendel. 2017. “MODERN VIEWS ON CONVERSION IN LAPAROSCOPIC CHOLECYSTECTOMY”. Klinicheskaia Khirurgiia, no. 6 (July), 74-77. https://hirurgiya.com.ua/index.php/journal/article/view/141.