Utility of high-flow nasal oxygen in comparison to conventional oxygen therapy during upper gastrointestinal endoscopic procedures under sedation: A systematic review and meta-analyses.
Puneet KhannaDamarla HarithaAditi DasSoumya SarkarAvishek RoyPublished in: Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology (2023)
CRD42021245409 ( https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42021245409 ).