A Comparative Study of Post-Operative Pain at Port-Site After Gallbladder Retrieval From Umbilical Ports Versus Epigastric Ports in Laparoscopic Cholecystectomy . mfm [Internet]. 2024 Sep. 30 [cited 2025 Dec. 26];35(9). Available from: https://medicalforummonthly.com/index.php/mfm/article/view/5019