Bilal, S. ., Khan, M. ., Leeza, S. ., Masood Farrukh, G. ., Izhar, S. and Adil Ramzan, M. . (2022) “Frequency of Hepatopulmonary Syndrome and its Associated Factors in Decompensated Liver Cirrhosis”, Pakistan Journal of Chest Medicine, 28(1), pp. 20–25. doi: 10.1996/pjcm.v28i1.825.