双球囊导管促足月妊娠产妇宫颈成熟的临床研究
任虹，范剑虹，张琳，杨祖菁
Clinical study of double-balloon catheter in full-term pregnancy to promote cevical maturity
REN Hong, FAN Jian-hong, ZHANG Lin, YANG Zu-jing
上海交通大学学报（医学版）
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2017, (1): 80
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DOI: 10.3969/j.issn.1674-8115.2017.01.017
