不同剂量罗哌卡因腹横肌平面阻滞在剖宫产术后镇痛中的疗效比较
불동제량라고잡인복횡기평면조체재부궁산술후진통중적료효비교
Comparison of two doses of ropivacaine in postoperative pain control by ultrasound-guided transversus abdominis plane blocks for post-cesarean delivery analgesia
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