Jassim, A. R., H. S. Alhadad, and H. A. A. Nassrullah. “Clinical and Echocardiographic Patterns of Congenital Heart Diseases in Adults in Karbala Province, Iraq”. Iraq Medical Journal, vol. 1, no. 1, Mar. 2017, pp. 24-28, https://iraqmedj.org/index.php/imj/article/view/192.