| Methods | N; B; Y; N; Y; Y | |
| Participants | 32 women; gynaecological | |
| Interventions | Preoperative Either: PLACEBO; or HYOSCINE patch (1.5mg / 3 days) | |
| Outcomes | Nausea. Postop 0‐24 hours. | |
| Notes | Side effects not recorded. Unclear how retching categorized. | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment (selection bias) | Unclear risk | B ‐ Unclear |
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