Imaging of atrial septal defects: echocardiography and CT correlation. Issue 17 (5th August 2011) - Johri, Amer M; Rojas, Carlos A; El-Sherief, Ahmed; Witzke, Christian F; Chitty, David W; Palacios, Igor F; Passeri, Jonathan J; King, Mary Etta E; Abbara, Suhny