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| Methods | Randomized controlled trial |
| Participants | Patients scheduled for elective laparoscopic cholecystectomy, 18 to 70 years of age, ASA I and II |
| Interventions | Ondansetron plus sham acupuncture or saline solution plus sham acupuncture |
| Outcomes | PONV |
| Notes | Study status (completed), first posted (2008), missing information (anaesthesia regimen) |
