Singh M, Goel D. Intraoperative strategies to overcome difficulties in laparoscopic cholecystectomy for chronic calculous cholecystitis. Int Surg J [Internet]. 2021 Mar. 26 [cited 2025 Nov. 10];8(4):1160-4. Available from: https://www.ijsurgery.com/index.php/isj/article/view/7419