He, Yingdong [Clinical analysis of double-balloon catheter for cervical ripening in 66 cases]. [electronic resource] - Zhonghua fu chan ke za zhi Oct 2014 - 741-5 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 0529-567X Subjects--Topical Terms: Administration, IntravaginalCatheterizationCervical RipeningCesarean Section--statistics & numerical dataFemaleFetal Growth RetardationHeart Rate, FetalHumansLabor, Induced--methodsObstetric Labor ComplicationsOligohydramniosPregnancyPregnancy ComplicationsPregnancy OutcomePrevalenceProspective StudiesProstaglandins--administration & dosage