阴道神经;
Objective To observed the analgesic effect of the bilateral blocking of pudendal nerves in vaginal delivery.
目的观察双侧阴部神经阻滞麻醉用于阴道分娩镇痛效果.
纳米英语 · 双语娱乐资讯
纳米英语 · 外贸英语