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PIEB复合PCEA镇痛对分娩结局及Th1/Th2型细胞因子影响
金小春 尹述洲 张有涛
Influences of PIEB combined with PCEA for labor analgesic on Th1/Th2 Cytokine level and delivery outcomes
JIN Xiaochun, YIN Shuzhou, ZHANG Youtao
中国计划生育学杂志 . 2019, (12): 1640 .