Łukaszewska E, Jasiuk I, Chrościński K. Transrectal ultrasound (TRUS) as a diagnostic tool for abscesses and fistulas of the anus. Anatomy and methodology of the TRUS examination. J Educ Health Sport [Internet]. 2024 Sep. 24 [cited 2025 Dec. 26];68:55216. Available from: https://apcz.umk.pl/JEHS/article/view/55216