Roy, Arijit, Pramatha Nath Datta, and Kushankur Guha. “Role of a Modified Epigastric Port in Reducing Post Operative Pain and Causing Early Ambulation in a Patient Undergoing Laparoscopic Cholecystectomy As Compared to a Standard Four Port Procedure, a Randomized Controlled Study”. International Surgery Journal 7, no. 12 (November 27, 2020): 3986–3993. Accessed February 27, 2026. https://www.ijsurgery.com/index.php/isj/article/view/6874.