APA (7th ed.) Citation

Qi, Z., Yan, B., Hu, R., & Li, L. Acute upper gastrointestinal mucosal lesions caused by COVID-19 infection: A case report. Frontiers Media S.A.

Chicago Style (17th ed.) Citation

Qi, Ze, Bing-Jie Yan, Ruo-Han Hu, and Lei Li. Acute Upper Gastrointestinal Mucosal Lesions Caused by COVID-19 Infection: A Case Report. Frontiers Media S.A.

MLA (9th ed.) Citation

Qi, Ze, et al. Acute Upper Gastrointestinal Mucosal Lesions Caused by COVID-19 Infection: A Case Report. Frontiers Media S.A.