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收藏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
Chen, Jie; Mei, Kaibo; Xie, Lixia; Yuan, Ping; Ma, Jianyong; Yu, Peng; Zhu, Wengen; Zheng, Chunhua; Liu, Xiao
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