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机译:The characteristics of gastrointestinal symptoms in patients with severe COVID-19: a systematic review and meta-analysis (Mar, 10.1007/s00535-021-01778-z, 2021)
Sapporo Med Univ Med, Dept Gastroenterol & Hepatol, Chuo Ku, S-1,W16, Sapporo, Hokkaido 0608543;
Univ Tokyo, Inst Med Sci, Ctr Translat Res, Tokyo 1088639, Japan;