Jain AP, Shah SC, Shah PC, Patel KR. A comparative study of open versus closed method of establishment of pneumoperitoneum in laparoscopic surgery. Int Surg J [Internet]. 2019 Aug. 28 [cited 2025 Nov. 10];6(9):3335-40. Available from: https://www.ijsurgery.com/index.php/isj/article/view/4802