

分娩镇痛中第二产程不同体位对母婴结局影响的临床研究#br#
申俊 洪蕊 张帆
分娩镇痛中第二产程不同体位对母婴结局影响的临床研究#br#
Clinical study on the effects of different postures with labor analgesia in the second stage of labor on maternal and neonatal outcomes
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