IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-5-49278 Original Research Paper Comparison Of Ondansetron And Ondansetron Plus Dexamethasone For Preventing Postoperative Nausea And Vomiting In Patients Undergoing Laparoscopic Cholecystectomy Komal Bende Dr. May 2023 12 5 01 02