Rehman, M., Kalim Uddin Aziz, A. Samad, Azhar Faruqui, A. Haque, Faiz Ur RAhman, and S. A. Syed. 2012. “Surgical Experience With Congenital Heart Disease at National Institute of Cardiovascular Diseases, Karachi”. Pakistan Heart Journal 15 (1). https://doi.org/10.47144/phj.v15i1.450.