?:authorAffiliation
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[\'Department of Obstetrics and Gynaecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hebei 430022, China.\', \'Department of Emergency, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hebei 430022, China.\', \'Corresponding author.\']
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