目的：探讨小儿永久性心脏起搏的病因和起搏方式的差异。

Objective To explore the cause of child permanent heart pacing and compare different pacing mode.

youdao

目的：探讨小儿永久性心脏起搏的病因和起搏方式的差异。

Objective To explore the cause of child permanent heart pacing and compare different pacing mode.

youdao