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宫颈扩张球囊对足月妊娠者促宫颈成熟及分娩结局的影响
杨丽杰 刘 巍 刘 津 王秋霞*
The influence of cervical dilatation balloon on cervical maturation and delivery outcomes in women with full term pregnancy
YANG Lijie, LIU Wei, LIU Jin, WANG Qiuxia
中国计划生育学杂志 . 2020, (10): 1695 -1697 .