Khalid Mehmood Nizami, Fatima Ahmad, Muhammad Faraz Khalid, Sumaira Hassan, Javed Ahmed, Muhammad Haseeb Amjad 2025. Comparative Study of Open versus Closed Lateral Sphincterotomy for the Management of Anal Fissure. Pakistan Journal of Medical & Health Sciences. 17, 12 (Aug. 2025), 553. DOI:https://doi.org/10.53350/pjmhs020231712553.