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| Methods | Randomised controlled trial | |
| Participants | I: ‐ a wide variety of surgical procedures, including neurotological surgery | |
| Interventions | (1) cephalothin or cefazolin or oxacillin or vancomycin (2) no antibiotic | |
| Outcomes | ‐ Graft failure after 3 weeks | |
| Notes | — | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment? | Low risk | A ‐ Adequate |
