Upreti, D., S. Shakya, R. M. Gajurel, H. Shrestha, S. Thapa, and M. Sharma. “Congenital Junctional Ectopic Tachycardia in a 6-Month-Old Boy Treated With Ivabradine: A Case Report”. Nepalese Heart Journal, vol. 20, no. 1, June 2023, pp. 53-55, doi:10.3126/njh.v20i1.55039.