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Authors
Zhang, Xiaofu
Niu, Jingxin
Che, Tuanjie
Zhu, Yibei
Zhang, Hongtao
Qu, Jing http://orcid.org/0000-0003-2911-8777
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Funding
Funding for this research was provided by:
National Research Program on prevention and control of major birth defects in reproductive health (2017YFC1000900)
National Key Scientific Instrument and Equipment Development Projects of China (2016YFF0103800)
Family Planning Commission Research Project of Jiangsu Province (H201619)
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Article History
Received: 14 November 2019
Accepted: 27 December 2019
First Online: 18 February 2020
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
