Methods 200 cases were divided into test group and control group, 100 cases for each. N 2O inhalation anesthesia and lidocaine para-cervix nerve block anesthesia were applied to test group and control group respectively.

  • 方法将200例孕妇分为两组,观察组(100例)采用笑气吸入性镇痛作人工流产术,对照组(100例)采用利多卡因宫颈旁神经阻滞麻醉作人流术。

  • 互联网摘选 2026-05-07 14:20:45

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