Kumar, Jeetendra, Vinod Kumar Mishra, Sushant Kumar, and Tushar Kumar. “Assessment of the Prevalence of Congenital Heart Diseases in Children: An Observational Study”. International Journal of Health and Clinical Research 4, no. 5 (March 16, 2021): 347–349. Accessed April 11, 2026. https://ijhcr.com/index.php/ijhcr/article/view/1180.