V. S. . Groshilin, V. G. Brizhak, E. Y. Khoronko, P. V. . Tsygankov, ir Y. V. Khoronko, „Video-assisted Treatment of Rectal Fistulas: the Experience and Treatment Results“, LS, t. 19, nr. 1-2, p. 27–33, birž. 2020, doi: 10.15388/LietChirur.2020.19.22.