目的观察上胸段硬膜外阻滞对心绞痛患者自主神经的影响。

Objective to observe high thoracic epidural anesthesia for the influence of the patients Sympathovgal of angina pectoris.

youdao

目的观察上胸段硬膜外阻滞对心绞痛患者自主神经的影响。

Objective to observe high thoracic epidural anesthesia for the influence of the patients Sympathovgal of angina pectoris.

youdao