Use of ivabradine in supraventricular tachycardia caused by refractory focal atrial tachycardia in neonates to avoid radiofrequency ablation. Indian J Child Health [Internet]. 2019 Oct. 26 [cited 2024 Nov. 22];6(10):572-4. Available from: https://mansapublishers.com/index.php/ijch/article/view/1861