英文關鍵字
acquired
congenital
defects
diagnosis
examination
grayscale
heart
high
method
mode
quality
qutransesophageal
transesophageal
ultrasound
video
英文關鍵字
acquired
congenital
defects
diagnosis
examination
grayscale
heart
high
method
mode
quality
qutransesophageal
transesophageal
ultrasound
video