Kiran Naz, Amreen A. Razzaque, Misbah Mahmood, Waqas Rind, Farhan Sozera, Areebah Salim. Randomized Clinical Trial Comparing Mean Postoperative Pain Score in Hemorrhoidectomy Using a Bipolar Vessel Sealing System Ligasure With Conventional Open Diathermy Hemorrhoidectomy. Pakistan Journal of Medical & Health Sciences 2022, 16, 437.