Kabir, R., M. Z. Hussain, M. T. Islam, N. A. H. Chowdhury, T. Karim, A. Rahman, and R. Sharmin. “Echocardiography Assessment of Right Ventricular Dysfunction During Postoperative Period Following Total Correction of Tetralogy of Fallot”. International Journal of Contemporary Pediatrics, vol. 9, no. 4, Mar. 2022, pp. 314-8, doi:10.18203/2349-3291.ijcp20220754.