Lin, Ze-wei, Qiang Chen, Hua Cao, Gui-can Zhang, Liang-wan Chen, Qi-liang Zhang, and Zhi-nuan Hong. “The Short and Midterm Follow-Up of Transthoracic Device Closure of Perimembranous Ventricular Septal Defect in Adults”. The Heart Surgery Forum 21, no. 4 (June 14, 2018): E242-E246. Accessed April 20, 2024. https://journal.hsforum.com/index.php/HSF/article/view/1932.