The Laryngeal Mask Airway Supreme for positive pressure ventilation during laparoscopic cholecystectomy

1. Beleña, J.M.
2. Gracia, J.L.
3. Ayala, J.L.
4. Núñez, M.
5. Lorenzo, J.A.
6. De Los Reyes, A.
7. Pérez, J.L.
8. Yuste, J.