Flexible bronchoscopy insufflated and high-flow nasal oxygen pilot trial (BUFFALO protocol pilot trial) oleh Susan Humphreys, Andreas Schibler, Tara Williams, Susan Spall, Trang Pham, Tiffany Atkins, Vikas Goyal, David Sommerfield, Aine Sommerfield, Adam Keys, Neil Hauser, Britta S von Ungern-Sternberg