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双侧会阴神经阻滞麻醉对产妇会阴损伤、疼痛及母婴结局的影响
张跃1 余丽敏2
Effect of bilateral perineal nerve block anesthesia on maternal perineal injury and pain, and maternal and infant outcomes#br#
ZHAND Yue1, YU Limin2
中国计划生育学杂志 . 2020, (5): 682 .