中国计划生育学杂志
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人工流产后避孕服务优化流程的效果分析
首都医科大学附属北京妇产医院,北京妇幼保健院(100006)
Effect analysis of the optimizing service process of poster abortion contraception
Beijing Obstetrics and Gynecology Hospital,Capital Medical University,Beijing Maternal and Child Health Care Hospital, 100006