Kadikoylu, G., C. Cicek, H. Akar, I. Yavasoglu, T. Senturk, and Z. Bolaman. “The Effectiveness Of Verapamil And Dıgitalis In Recent Onset Supraventricular Tachycardias”. Annals of Medical Research, vol. 8, no. 1, May 2021, pp. 0029-32, http://annalsmedres.org/index.php/aomr/article/view/2835.