The dilemma in the management of suspected upper GI bleeding in patients with COVID-19 pneumonia Published on 2020-12-012023-07-13 Journal: Gastrointestinal endoscopy [저자] Zhihui Duan, Kun Liu, Shengyun Zhou [Category] SARS, PMC URL Pubmed URL [DOI] 10.1016/j.gie.2020.07.006 [Article Type] Comment [Source] pubmed All Keywords