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Authors
Zheng, Jing-Jie
He, Yue
Liu, Yang
Li, Feng-Shuang
Cui, Zhen
Du, Xiao-Meng
Wang, Chun-Peng
Wu, Yu-Mei http://orcid.org/0000-0002-2242-9348
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Funding
Funding for this research was provided by:
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (ZYLX201705)
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Article History
Received: 6 November 2019
Accepted: 20 May 2020
First Online: 29 May 2020
Ethics approval and consent to participate
: The Beijing Obstetrics and Gynecology Hospital Research Ethics Committee approved this study, and informed written consent was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
