Yang, Y., Gao, L., Xu, X., Zhao, T., Yang, J., Gao, Z., Yin, N., Xiong, L., Xie, L., Huang, C., Jin, W. and Wu, Q. (2014) “Echocardiographic Assessment and Guidance in Minimally Invasive Surgical Device Closure of Perimembranous Ventricular Septal Defects”, The Heart Surgery Forum, 17(4), pp. E206-E211. doi: 10.1532/HSF98.2014340.