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| Methods | Randomised trial, reported as abstract only. Duplicate publication of P‐Layrargues 2001. | |
| Participants | ||
| Interventions | ||
| Outcomes | ||
| Notes | ||
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment? | Unclear risk | B ‐ Unclear |
