Sarkari, Madhavi, Mithilesh Yadav, and Ashutosh Kr. Rai. “Etiological Profile in Patients With Heart Failure”. International Journal of Research in Medical Sciences 8, no. 8 (July 24, 2020): 2845–2849. Accessed October 10, 2025. https://www.msjonline.org/index.php/ijrms/article/view/7543.