中国计划生育学杂志
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自由体位联合硬膜外复合脉冲式镇痛泵对初产妇镇痛及分娩影响
浙江省台州学院附属台州市中心医院(318000)
Effects of free position combined with epidural pulse analgesia pump on analgesia and delivery of primiparas
Taizhou Central Hospital Affiliated to Taizhou College, Taizhou, Zhejiang Province, 31800