Pandey, Ashwini, Sagar Anand, Malvi Mustafa, and Ashish Sharma. 2021. “Cardiac Changes in Isolated Systolic Hypertension in Elderly With Special Reference to Electrocardiography and Echocardiography Study”. International Journal of Health and Clinical Research 4 (1):158-65. https://ijhcr.com/index.php/ijhcr/article/view/719.