A Study of Clinical Presentation, Electrocardiographic, and Echocardiographic Changes in Patients with Dilated Cardiomyopathy. Advanced Natural Sciences: Life and Health Sciences, [S. l.], v. 3, n. 2, p. 79–90, 2026. Disponível em: https://www.indjournals.com/index.php/indjournals/article/view/67.. Acesso em: 16 sep. 2026.