Khatri, R., D. Khatri, D. B. Shrestha, P. Karki, C. Panta, R. K. Shrestha, and B. Karki. “Left Ventricular Dysfunction in Hypertensive Patients: An Echocardiographic Assessment”. Journal of Chitwan Medical College, vol. 8, no. 3, Sept. 2018, pp. 51-56, https://nepjol.info/index.php/JCMC/article/view/23751.