1.
M. S. R, R. U, Ramineni S. A cross-sectional study on the cardiac imaging methods including electrocardiograms and echocardiography of the heart in patients with COPD. Int J Res Med Sci [Internet]. 2025 Sep. 29 [cited 2025 Sep. 30];13(10):4054-9. Available from: https://www.msjonline.org/index.php/ijrms/article/view/15603