Jadhav PA, Dalvi NP, Tendolkar BA. J Anaesthesiol Clin Pharmacol. 2015 Apr-Jun;31(2):221-5
Ease and time to insertion, airway sealing pressure and adverse events were measured in this study of 60 patients randomly allocated to i-gel and ProSeal groups. i-gel proved easier to insert and less traumatic.
Link to abstract