罗哌卡因与利多卡因运用于会阴侧切缝合术镇痛效果的对比研究
라고잡인여리다잡인운용우회음측절봉합술진통효과적대비연구
A Comparative Study on the analgesic effect of ropivacaine and lidocaine during and following episiotomy perineorrhaphy
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