Impact of COVID-19 pandemic on endoscopic submucosal dissection outcomes in early colorectal tumours Published on 2021-06-222023-06-19 Journal: The British journal of surgery [저자] M Spychalski, M Włodarczyk, K Winter [Category] MERS, PMC URL Pubmed URL [DOI] 10.1093/bjs/znab079 [Source] PMC All Keywords