硬膜外吗啡超前镇痛与静脉自控镇痛联合在剖宫产术后的应用
张胜利;张彩霞;聂希连;赵建玲;王雪梅;王立伟;李静;李树人
Application of preemptive analgesia with epidural morphine and controlled intravenous analgesia combined for patients after cesarean section
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