Muhammad Ahmad, Amna Faiz, Kousar Ramzan, M. Qausain Abu Baker, Muzamil Hazoor Malik, Muhammad Jamahed, Samia Iqbal 2022. To Compare the Mean Postoperative Pain between Manual Dilatation of Anus and Lateral Internal Sphincterotomy . Pakistan Journal of Medical & Health Sciences. 16, 04 (Apr. 2022), 161. DOI:https://doi.org/10.53350/pjmhs22164161.