Vaishnani BV, Kachhadiya KR, Chauhan MR. A comparative study of the open versus closed method of pneumoperitoneum creation in laparoscopic surgery. Int Surg J [Internet]. 2021 Oct. 28 [cited 2025 Nov. 10];8(11):3344-7. Available from: https://www.ijsurgery.com/index.php/isj/article/view/8080