Meherzai BG, Sadat G. Investigated Lateral Sphincterotomy Versus 2% Diltiazem Gel Local Application in the Treatment of Chronic Fissure in ANO. IJRBP [Internet]. 2019 Sep. 30 [cited 2024 Apr. 25];5(9):11-5. Available from: https://gnpublication.org/index.php/bp/article/view/1101