中国计划生育学杂志
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育龄女性人工流产史与妊娠等待时间的相关性研究
1.国家卫生健康委科学技术研究所;2.北京协和医学院研究生院;3.深圳市卫生健康发展研究中心
Study on the association between the history of inducde abortion of reproductive-age women and their time to pregnancy
1. National Research Institute for Family Planning, Beijing, 100081;2. Graduate School of Peking Union Medical College;3. Shenzhen Health Development Research Center