Kariyappa, Mallesh, Varun Govindarajan, Anil Kumar Hanumanna, Ashwini Harohalli Nagarasaiah, and Meghana Jagadish. “Emergency Atrial Septostomy With Nasogastric Tube through Umbilical Venous Route in Neonates With Critical Congenital Heart Defects”. International Journal of Contemporary Pediatrics 8, no. 7 (June 24, 2021): 1313–1315. Accessed October 25, 2025. https://www.ijpediatrics.com/index.php/ijcp/article/view/4246.