Fig. 4From: A randomised crossover comparison of two endotracheal tube introducers: the FROVA and the Flexible Tip Bougie for GlideScope intubation of a difficult airway manikin by infrequent intubatorsLeft graph: total time from receiving the ETI until ETT fully inserted. Central graph: time until ETI reached mid trachea. Right graph: time to railroad ETT over the ETIBack to article page