目的分析和观察先天性主动脉弓离断畸形的超声心动图特征。

Purpose To investigate the echocardiographic features of congenital abesnce of aortic arch.

youdao

目的分析和观察先天性主动脉弓离断畸形的超声心动图特征。

Purpose To investigate the echocardiographic features of congenital abesnce of aortic arch.

youdao