Wang, Fudong, Wenjun Wang, Qicai Wu, Yuanping Cao, Huang Huang, Ende Tao, Qiao Fang, Liang Tang, and Li Wan. “Summary of the Experiences and Results of Transesophageal Ultrasound-Guided Ventricular Septal Defect and Atrial Septal Defect Closure Operation”. The Heart Surgery Forum 25, no. 5 (September 12, 2022): E638-E644. Accessed February 4, 2023.