Morsy, A. A., M. Zalat, and E. E. Elatafy. “Early Versus Late Repair of Diaphragmatic Palsy After Congenital Heart Surgery: A Comparative Study”. International Journal of Health Sciences, vol. 5, no. S1, July 2021, pp. 1651-6, doi:10.53730/ijhs.v5nS1.15883.