S. Saleem, M. Younas, T. Asma, U. Riaz, R. Tousif, and B. Maqbool, “Comparison of Short-Term Outcomes of Transcatheter versus Surgical Closure of Atrial Septum Defect at a Tertiary Cardiac Care Facility”, Pak Armed Forces Med J, vol. 73, no. 3, pp. 837–40, Jun. 2023, doi: 10.51253/pafmj.v73i3.8633.