中国计划生育学杂志
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足月单胎胎盘重量的影响因素分析
首都医科大学附属北京妇产医院,北京妇幼保健院(北京,100026)
Analysis of the related factors influencing the placental weight of women with full-term singleton pregnancy
Beijing Obstetrics and Gynecology Hospital, Beijing Maternal and Child Health Care Hospital, Capital Medical University, Beijing, 100026