Groshilin, Vitalii S., Viktoria G. Brizhak, Evgeny Y. Khoronko, Petr V. Tsygankov, and Yuri V. Khoronko. “Video-Assisted Treatment of Rectal Fistulas: The Experience and Treatment Results”. Lietuvos chirurgija 19, no. 1-2 (June 10, 2020): 27–33. Accessed May 2, 2024. https://www.zurnalai.vu.lt/lietuvos-chirurgija/article/view/18365.