Zhang, Hao, Shou-jun Li, Yong-qing Li, Hao Wang, and Sheng-shou Hu. “Open-Chest Device Closure for the Minimally Invasive Management of Atrial Septal Defect in Young Children”. The Heart Surgery Forum 10, no. 2 (February 21, 2007): E125-E128. Accessed April 23, 2024. https://journal.hsforum.com/index.php/HSF/article/view/324.