Javaid A, Amjad M, Khan W, Samad A, Khan MY, Sadiq M, Ullah Z. Pneumothorax - Is it a different disease in the east?. J Postgrad Med Inst [Internet]. 2011 Sep. 6 [cited 2024 Jul. 3];11(2). Available from: https://jpmi.org.pk/index.php/jpmi/article/view/578