(1)
Khatri, D.; Karki, P.; Shrestha, D. B.; Khatri, R.; Thapa, R. K.; Panta, C.; Budhathoki, L. Echocardiographic Findings in Chronic Obstructive Pulmonary Disease Patients. Birat J. Health Sci. 2018, 3, 342-345.