PALIYENKO, R. and MISHURA, Z. The results of sphincterometry in patients after sorgion treatment of extrasphintery anal fistula. Journal of Education, Health and Sport. Online. 29 October 2021. Vol. 11, no. 10, pp. 311-319. [Accessed 17 May 2025]. DOI 10.12775/JEHS.2021.11.10.029.