
低剂量罗哌卡因联合布托啡诺硬膜外麻醉对分娩镇痛效果和分娩结局的影响
汪艳萍① 许宜珍① 袁应川① 古丽·亚科夫① 陈政文①
低剂量罗哌卡因联合布托啡诺硬膜外麻醉对分娩镇痛效果和分娩结局的影响
Effect of Low Dose Ropivacaine and Butorphanol Epidural Anesthesia on Labor Analgesia and Labor Outcome
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