DOI: 10.1055/s-00043283

Journal of Digestive Endoscopy

References

Guan WJ, Ni ZY, Hu Y. et al. China Medical Treatment Expert Group for COVID-19.
Clinical characteristics of coronavirus disease 2019 in China.

N Engl J Med 2020;
DOI: 10.1056/NEJMoa2002032.

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