DOI:
10.1055/s-00000128
physioscience
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References
Zheng Z, Peng F, Xu B. et al.
Risk factors of critical & mortal COVID-19 cases: A systematic literature review and meta-analysis.
J Infection 2020;
81: e16-e25
DOI: 10.1016/j.jinf.2020.04.021.
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