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Authors
He, Yue
Han, Su-Bin
Liu, Yang
Zhang, Jing-Jing
Wu, Yu-Mei
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Funding
Funding for this research was provided by:
Scientific Research Common Program of Beijing Municipal Commission of Education (KM201910025006)
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (ZYLX201705)
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Article History
Received: 20 July 2021
Accepted: 11 April 2022
First Online: 14 April 2022
Declarations
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: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the Ethic Committee (EC) from the Beijing Obstetrics and Gynecology Hospital, Capital Medical University.
: Not applicable.
: No potential conflict of interest relevant to this article was reported.
