中国计划生育学杂志
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河南省育龄妇女产后2年内再次妊娠及结局分析
河南省人口和计划生育科学技术研究院,国家卫生健康委出生缺陷预防重点实验室, 河南省人口缺陷干预技术研究重点实验室 (郑州,450002  )
Analysis of re-pregnancy and outcome of women of childbearing age within 2 years after delivery in Henan province
Henan Provincial Research Institute for Population and Family Planning, National Health and Family Planning Commission key laboratory of birth defects prevention, Key Laboratory of Population Defect Intervention Technology of Henan Province, Zhengzhou, Henan Province, 450002