Evaluation of the systolic movement peak velocity of mitral annula by critical echocardiography for wean⁃ ing of venous arterial extracorporeal membrane oxygenation 
YANG Huiyan, HUANG Shengqi, WANG Jing, FANG Yuan, GU Jiwei.
The Journal of Practical Medicine . 2023, (14): 1830 -1834 .  DOI: 10.3969/j.issn.1006⁃5725.2023.14.018