To assess the normal value of left ventricular twist (LVtw) and examine the changeswith normal aging by 2-dimensional ultrasound speckle-tracking imaging (STI),
The effects of cardiomyocyte grafting on left ventricular (LV) remodeling and function in rats with chronic myocardial infarction were evaluated using high-freq
The Shanghai Spaceflight Equipment Manufacturing General Factory of SAST conducted a simulated system dual strap-down test on the third stage of the LM-4C launc