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Authors
Yang, Yang
Hao, Wang
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Article History
Received: 5 July 2023
Accepted: 23 August 2023
First Online: 4 September 2023
Declarations
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: This study was approved by the Ethics Committee of Hangzhou Maternity and Child Care Hospital and written informed consent was obtained from the patients.
: The patients had provided their consent for publication.
: The authors declare that they have no competing interests.
