Shaikh, J., Baig, S., Soomro, N. H., & 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), 114–119. Retrieved from http://www.pjcm.net/index.php/pjcm/article/view/523