不同间隔时间硬膜外规律间断输注罗哌卡因和舒芬太尼在分娩镇痛中抑制爆发痛的效果比较
불동간격시간경막외규률간단수주라고잡인화서분태니재분면진통중억제폭발통적효과비교
Comparison of the inhibition effects of breakthrough pain with regular intermittent epidural bolus injection in different time intervals during labor analgesia
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