Gulen M, Ege B, Sarıyıldız GT. Patients with anal fistula due to chronic anal fissure: prevelance and treatment. Int Surg J [Internet]. 2021 Aug. 27 [cited 2026 Feb. 20];8(9):2553-7. Available from: https://www.ijsurgery.com/index.php/isj/article/view/7863