Comparative Study between the Use of Pigtail Catheters and Traditional Chest Tube Drain in Cases with Pneumothorax. Kathmandu Univ. Med. J. [Internet]. 2022 Mar. 31 [cited 2026 Jul. 9];20(1):24-8. Available from: https://nepjol.info/index.php/KUMJ/article/view/49829