1. Pre‐oxygenation with facemask oxygen vs high‐flow nasal oxygen vs high‐flow nasal oxygen plus mouthpiece: a randomised controlled trial. (17th August 2021) Authors: Lyons, C.; McElwain, J.; Coughlan, M. G.; O'Gorman, D. A.; Harte, B. H.; Kinirons, B.; Laffey, J. G.; Callaghan, M. Journal: Anaesthesia Issue: Volume 77:Number 1(2022) Page Start: 40 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗