M. Najam, M. . Shabbir, Q. H. Khan, A. . Rauf, and . W. . Ur Rehman, “Role of Programmed Ventricular Extrastimulation in Differentiating Atrioventricular Nodal Re-entrant and Atrioventricular Re-entrant Tachycardias in Supraventricular Tachycardias”, Pak Armed Forces Med J, vol. 75, no. 6, pp. 1261–1266, Dec. 2025, doi: 10.51253/pafmj.v75i6.13937.