Luo, Yan
Lu, Hezhen
Zhang, Yanshang
Cui, Zhiqiang
Zhang, Pingping
Li, Yali
Funding for this research was provided by:
The Medical Science Research Project in Hebei Province (No.20190387;No.20211535, No.20190387;No.20211535, No.20190387;No.20211535, No.20190387;No.20211535, No.20190387;No.20211535, No.20190387;No.20211535)
Article History
Received: 8 June 2022
Accepted: 26 July 2022
First Online: 21 August 2022
Declarations
:
: The research was approved by the Ethics Committee of Maternity and child Care Hospital of Huaihua. All patient guardians gave informed consent to the study.
: Consent to Publish.
: All of the authors had no any personal, financial, commercial or academic conflicts of interest separately.