中国计划生育学杂志
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宫颈机能不全患者采用不同指证McDonald子宫颈环扎术对足月分娩的影响
河北省沧州市人民医院颐和院区
The influence of McDonald cervical cerclage based on different indications for treating pregnant women with cervical insufficiency on their full-term delivery
Yihe campus of Cangzhou People's Hospital, Hebei Province,061001