REDDY, Kolasani Sai Yaswanth; RAO, V. R. Mohan; MURTHY, Vundavalli Narayana. 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, Lahore, Pakistan, v. 14, n. 27S, p. 908–913, 2025. Disponível em: https://jneonatalsurg.com/index.php/jns/article/view/6547. Acesso em: 3 mar. 2026.