Abdullah, Hussein Abdul-Wahab, Sadiq Alhammash, Ali Kuraidi, Isam Victor, and Muthanna AI-Quraishi. “Non Surgical Closure of Secundum Atrial Septal Defect by Percutaneous Transcatheter Amplatzer Septal Occluder”. Journal of the Faculty of Medicine Baghdad 50, no. 1 (April 1, 2008): 20-30. Accessed November 22, 2019. http://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/1297.