Dey RK, Zooshan A, Khadka G, Muthuim M, Sham M, Habeeb H, et al. Prevalence of Pulmonary Hypertension and Its Severity in Patients With Chronic Obstructive Pulmonary Disease. J Coll Med Sci-Nepal [Internet]. 2026 Jun. 30 [cited 2026 Jun. 30];22(2):117-23. Available from: https://nepjol.info/index.php/JCMSN/article/view/74552