例句 /

Objective: To investigate the curative effect at stage , of the Buerger's disease of epidural anesthesia combined with prostaglandin E(PGE).

Objective: To investigate the curative effect at stage , of the Buerger's disease of epidural anesthesia combined with prostaglandin E(PGE).

目的 :观察硬膜外麻醉联合前列腺素E用于早期Buerger病的治疗效果。