D’Orazio B, Bonventre S, Sciumé C, Cudia B, Terranova G, Di Vita G, et al. Lateral Internal sphincterotomy is still crucial to heal hypertonic chronic anal fissure and normalize the internal anal sphincter tone? Is V-en Y plastic a valuable alternative? . Ann Ital Chir [Internet]. 2021 Sep. 1 [cited 2025 May 19];92(5):554-9. Available from: https://annaliitalianidichirurgia.it/index.php/aic/article/view/2924