Clinical research progress of residual leakage around the occluder after left atrial appendage closure 
LUOQianyou, XIE Ling, ZENG Anning, WANG Zhanglan, YANG Qinyu, PAN Jing, LIU Jun, LIU Shuying.
The Journal of Practical Medicine . 2023, (6): 778 -782 .  DOI: 10.3969/j.issn.1006⁃5725.2023.06.022