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| Methods | Randomized controlled trial |
| Participants | Patients having elective inguinal hernia surgery, weight < 100 kg, 20 to 40 years of age, no severe or chronic illness, ASA I and II |
| Interventions | Metoclopramide (10 mg) before extubation and 6 hours after operation or dexamethasone (8 mg) before extubation and 6 hours after operation |
| Outcomes | Nausea, vomiting |
| Notes | Study status (completed), first posted (2010), missing information (anaesthesia regimen, outcomes) |
