Comparison of laryngeal mask airway supreme and laryngeal mask airway proseal with respect to oropharyngeal leak pressure during laparoscopic cholecystectomy: A randomised controlled trial

1. Beleña, J.M.
2. Núñez, M.
3. Anta, D.
4. Carnero, M.
5. Gracia, J.L.
6. Ayala, J.L.
7. Alvarez, R.
8. Yuste, J.