Evaluation of Left Ventricular Systolic Function in Patients with Cardiac Syndrome X by 3D Speckle Tracking Imaging
YU Ziheng,CHENG Zhenfeng,LU Kongjie
Chinese General Practice . 2019, (5): 611 -615 .  DOI: 10.3969/j.issn.1007-9572.2018.00.190