Shakya, Urmila, Poonam Sharma, and Manish Shrestha. “Echocardiographic Findings in Children With Tetralogy of Fallot”. Nepalese Heart Journal 12, no. 2 (September 15, 2015): 65–68. Accessed December 7, 2025. https://nepjol.info/index.php/NHJ/article/view/13383.