Use of second generation supra-glottic airway devices during laparoscopic cholecystectomy: A prospective, randomized comparison of LMA Proseal™, LMA Supreme™ and i-gel™.

1. Beleña, J.M.
2. Núñez, M.
3. Vidal, A.
4. Gasco, C.
5. Gilsanz, C.
6. Alcojor, A.
7. Anta, D.
8. López, A.E.