Adnan Salim Malik, Ishaadeel Choudhary, Adeel Khalid Choudhary, Awais Hussain Kazim, Tahir Asadiq, Noman Sadiq, Muhammad Ahsan 2022. Atrioventricular Nodal Reentrant Tachycardia and Orthodromic Reentrant Tachycardia in Patients of Narrow Complex Tachycardia During Electrophysiological Study. Pakistan Journal of Medical & Health Sciences. 16, 06 (Aug. 2022), 715. DOI:https://doi.org/10.53350/pjmhs22166715.