Alzahem AM, Aqil M, Alzahrani TA, Aljazaeri AH. Saudi Med J. 2017 May;38(5):482-490
Randomised assignment of 112 patients to either AuraOnce or i-gel groups in which oropharyngeal leak pressure, ease of insertion and fibreoptic viewing were measured. i-gel recorded more favourable leak pressures and superior fibreoptic viewing.
Link to abstract.