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Additional file 1 of Prevalence of comorbidity in Chinese patients with COVID-19: systematic review and meta-analysis of risk factors

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posted on 23.02.2021, 05:14 by Tingxuan Yin, Yuanjun Li, Ying Ying, Zhijun Luo
Additional file 1. Study design and performance according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines.