Dawood, Adel. “Review Of Surgery of VSD in Ibn Al-Nafees Teaching Hospital”. Journal of the Faculty of Medicine Baghdad 57, no. 2 (April 1, 2015): 99-102. Accessed November 20, 2019. http://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/328.