Determination of left ventricular biomechanical parameters by using
  velocity  vector imaging technology and its application   
in assessing  coronary artery stenosis in coronary artery disease
WANG Liang-yu,XIE Ming-xing,OUYANG Si-hua,ZAHNG Fan, ZHOU Qi-ping
Journal of Jilin University(Medicine Edition) . 2014, (06): 1297 -1302 .  DOI: 10.13481/j.1671-587x.20140636