1. Evaluation of six videolaryngoscopes in 720 patients with a simulated difficult airway: a multicentre randomized controlled trial 
M Kleine-Brueggeney, R Greif, P Schoettker, G.L. Savoldelli, S Nabecker, L.G. Theiler 
British Journal of Anaesthesia 
Volume 116, Issue 5, Pages (May 2016)
DOI: /bja/aew058
Copyright © 2016 The Author(s) Terms and Conditions

2. Fig 1
The six videolaryngoscopes evaluated in the present study. Top row from left to right: the unchannelled videolaryngoscopes C-MAC™ D-blade, GlideScope™, and McGrath™. Bottom row from left to right: the channelled videolaryngoscopes Airtraq™, A.P. Advance™, and KingVision™. Note the differences in design, angulation, and length of the blades.
British Journal of Anaesthesia  , DOI: ( /bja/aew058)
Copyright © 2016 The Author(s) Terms and Conditions

3. Fig 2
Study flowchart.
British Journal of Anaesthesia  , DOI: ( /bja/aew058)
Copyright © 2016 The Author(s) Terms and Conditions