中国计划生育学杂志
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高龄初产妇分娩镇痛意愿及影响因素分析
1.江苏省海安市人民医院(226600);2.南京医科大学附属医院
Analysis of the willingness and the influencing factors of the labor analgesia of advanced primiparas
1.Haian People's Hospital, Jiangsu Province, 226600; 2.Affiliated Hospital of Nanjing Medical University