Islam MS, Sayem MA, Akther SMQ, Lima IJ, Mandal SC, Alam S, Islam M, Al Galib MS. Correlation between transcutaneous perianal ultrasonography findings and preoperative findings of fistula in ano. Int Surg J [Internet]. 2024 May 29 [cited 2026 Apr. 21];11(6):903-7. Available from: https://www.ijsurgery.com/index.php/isj/article/view/10356