ejectio相关论文
The search for a parameter representing left ventricular relaxation from non-invasive and invasive diagnostic tools has ......
介绍了正、斜组合双联齿轮的成型特点和成型工艺,斜齿轮成型的模具结构设计要素,正、斜两种不同齿形成型的动、定模分型面的选择,......
Global left ventricle chamber function in obese patients is assessed, most commonly, by means of the ejection fraction. ......