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Explanation for discrepancies with RTCs included by Whiting et al. [45] (NICE-report)
| Reference (author and year) | Reason for exclusion from this meta-analysis |
|---|---|
| Kultufan Turan et al. 2006 | Not possible to identify in PubMed or EMBASE |
| Rauter et al. 2007 | Not possible to identify in PubMed or EMBASE |
| Messenger et al. 2011 | Prospective cohort study, not randomised |
