ArticleUnited European gastroenterology journal2021

Gastrointestinal bleeding and endoscopic findings in critically and non-critically ill patients with corona virus disease 2019 (COVID-19): Results from Lean European Open Survey on SARS-CoV-2 (LEOSS) and COKA registries.

Stephan Zellmer et al.PubMed ↗Full text ↗Publisher ↗

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