IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-4-34578 Original Research Paper A comparative study of proseal laryngeal mask airway versus the I-GEL on hemodynamic and respiratory mechanics in patients undergoing laparoscopic cholecystectomy Kumar Dr. Mumtaz Hussain Dr. April 2021 10 4 01 02