Waqar S. Shoulder Tip Pain Following the Release of Pneumoperitoneum in Supine Versus Trendelenburg Position After Laparoscopic Cholecystectomy: A Comparative Study. jsp [Internet]. 31Mar.2024 [cited 16Sep.2025];29(1):24-8. Available from: http://www.jsp.org.pk/index.php/jsp/article/view/409