Clinical Effect of Intrauterine COOK Balloon Tamponade on Hemorrhage from the Lower Uterine Segment Secondary to Placenta Previa during the Cesarean Section 
DUAN Ya,ZHAO Shan,LI Min,JIN Ying,LI Jibin,WANG Li,TANG Zengjun
Chinese General Practice . 2019, (21): 2598 -2601 .  DOI: 10.12114/j.issn.1007-9572.2018.00.359