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Authors
Liu, Chun-Xia
Wang, Xian-Lei
Zhang, Kun
Hao, Gui-Zhen
Han, Wei-Yan
Tian, Yi-Qing
Ge, Lan
Shen, Li-Min
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Funding
Funding for this research was provided by:
2016 Hebei Provincial Health and Family Planning Commission medical science research key project, (No. 20160469.)
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Article History
Received: 12 May 2021
Accepted: 22 June 2021
First Online: 6 July 2021
Declarations
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: This study was conducted in accordance with the Declaration of Helsinki and approved by the ethics committee of Hebei General Hospital. Written informed consent has been obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
