M. K. S. . Al-Ghanimi, M. J. . Yaseen, and N. N. Akram, “Feasibility of Pulmonary Valve Balloon Dilation as Palliative Procedure in Children With Symptomatic Tetralogy of Fallot”, Scr Med, vol. 57, no. 1, pp. 77–82, Feb. 2026, doi: 10.5937/scriptamed57-64349.