Risk-stratified outcome of congenital heart surgery in Assiut University Hospital Research Authors KA Kassem, MA Abdelaziz, AI Ismael, AM Ghoneim Research Date Tue, 1 Jan 2019 - 12:00 Research Department Department of Cardio-Thoracic Surgery Research Journal Journal of Current Medical Research and Practice 4 (1), 25 Research Member Khaled Abdelsattar Kassem Mohamed