Comparison of Transannular Patch and Valve-Sparing Repair Techniques in Tetralogy of Fallot: A Clinical Review - Mujeeb-Ur-Rehman; Ullah, Najeeb; Hasan, Mubashir; Mehta, Anil; Chuang,, Corresponding Author *Professor Ma (International Journal of Advance Research and Innovative Ideas In Education, 2025)