Transesophageal echocardiography-guided device occlusion of ventricular septal defects: a propensity score matching analysis of left anterior mini-thoracotomy vs. lower partial median sternotomy. Issue 22 (20th November 2021) - Lu, Xiao-Feng; Wei, Shi-Lin; Li, Na-Na; Zhang, Peng-Bin; Gao, Bing-Ren; Liu, De-Bin