U. J. Sandhu, A. Chaudhary, A. S. Jami, H. B. Wajid, F. Shakeel, and G. Seira, “Prevalence of Portopulmonary Hypertension in Patients with Hepatic Cirrhosis”, IJBR, vol. 3, no. 7, pp. 128–132, Jul. 2025.