Figure 4From: Comparison of the glidescope®, flexible fibreoptic intubating bronchoscope, iPhone modified bronchoscope, and the Macintosh laryngoscope in normal and difficult airways: a manikin study Boxplots demonstrating the effect of operator experience and intubation difficulty on time to view the vocal cords (A and C) and time to successful intubation (B and D). Back to article page