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Forest plot of the association between serum alanine aminotransferase/aspartate aminotransferase level and disease severity. A: Pooled levels of alanine aminotransferase; B: Pooled levels of aspartate aminotransferase in the patients with coronavirus disease 2019. ALT: Alanine aminotransferase; AST: Aspartate aminotransferase.
