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Low vitamin D levels do not aggravate COVID-19 risk or death, and vitamin D supplementation does not improve outcomes in hospitalized patients with COVID-19: a meta-analysis and GRADE assessment of cohort studies and RCTs

Crossref DOI link: https://doi.org/10.1186/s12937-021-00744-y

Published Online: 2021-10-31

Published Print: 2021-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Chen, Jie

Mei, Kaibo

Xie, Lixia

Yuan, Ping

Ma, Jianyong

Yu, Peng

Zhu, Wengen

Zheng, Chunhua

Liu, Xiao http://orcid.org/0000-0002-5570-289X
Funding

Funding for this research was provided by:

National Natural Science Foundation of China (No.81760050, 81760048, 82100347)

Jiangxi Provincial Natural Science Foundation for Youth Scientific Research (20192ACBL21037)
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Text and Data Mining valid from 2021-10-31

Version of Record valid from 2021-10-31
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Article History

Received: 30 October 2020

Accepted: 15 October 2021

First Online: 31 October 2021

Declarations

:

: Not applicable.

: Not applicable.

: The authors declare no competing financial interests.

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