Apoorva Taduri et al. 2021. Advanced Study on the Use of Ivabradine in Supraventricular Tachycardia Caused by Refractory Focal Atrial Tachycardia in Neonates to Avoid Radiofrequency Ablation. Challenges in Disease and Health Research Vol. 6. (Jun. 2021), 96–101. DOI:https://doi.org/10.9734/bpi/cdhr/v6/4219D.