Comparative Study between the Use of Pigtail Catheters and Traditional Chest Tube Drain in Cases with Pneumothorax. Kathmandu University Medical Journal, [S. l.], v. 20, n. 1, p. 24–28, 2022. DOI: 10.3126/kumj.v20i1.49829. Disponível em: https://nepjol.info/index.php/KUMJ/article/view/49829. Acesso em: 9 jul. 2026.