Fatema, Nurun N., and Abul K. M. Razzaque. “Device Closure of Patent Ductus Arteriosus: Analysis of Cases in a Bangladeshi Centre”. International Journal of Contemporary Pediatrics 7, no. 7 (June 24, 2020): 1481–1487. Accessed January 7, 2026. https://www.ijpediatrics.com/index.php/ijcp/article/view/3532.