初产妇无痛分娩中舒芬太尼结合罗哌卡因行腰-硬联合阻滞应用效果#br#

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耿素娟李娜孙丽

Application effect of sufentanil combined with ropivacaine used in the combined spinal-epidural block for painless labor of primiparas

GENG Sujuan, LI Na, SUN Li

中国计划生育学杂志 . 2024, (12): 2796 .