Shaikh, J., Baig, S., Soomro, N. H. and Rao, N. A. (2018) “Bilateral Hydropneumothorax in a patient with Metastatic Gastric Adenocarcinoma of Signet Ring Morphology- An Unusual Presentation”, Pakistan Journal of Chest Medicine, 24(2), pp. 114–119. Available at: http://www.pjcm.net/index.php/pjcm/article/view/523 (Accessed: 29April2026).