Schälte G, Bomhard LT, Rossaint R, Coburn M, Stoppe C, Zoremba N, Rieg A. BMJ Open 2016;6(5):e10770
100 participants were analysed using a labelled i-gel with an integrated mouthpiece and asked to follow an instruction chart. 79% were able to ventilate the manikin effectively, with 90% using the correct turn and direction.
Link to abstract