Saleem, S. et al. 2023. Comparison of Short-Term Outcomes of Transcatheter versus Surgical Closure of Atrial Septum Defect at a Tertiary Cardiac Care Facility. Pakistan Armed Forces Medical Journal. 73, 3 (Jun. 2023), 837–40. DOI:https://doi.org/10.51253/pafmj.v73i3.8633.