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| Methods | Randomized controlled trial |
| Participants | Patients undergoing general anaesthesia for gynaecological; ear, nose, and throat; or endocrine surgery (thyroid) |
| Interventions | Acustimulation/dexamethasone, acustimulation/vehicle, sham acustimulation/dexamethasone, sham acustimulation/vehicle |
| Outcomes | PONV |
| Notes | Study identified in search update; data will be included in next update of the review |
