Reddy, Kolasani Sai Yaswanth, V. R. Mohan Rao, and Vundavalli Narayana Murthy. 2025. “A Cross-Sectional Study on the Cardiac Imaging Methods Include Electrocardiograms (ECG) and Echocardiography in Patients With COPD in a Tertiary Care Centre”. Journal of Neonatal Surgery 14 (27S). Lahore, Pakistan:908-13. https://www.jneonatalsurg.com/index.php/jns/article/view/6547.