Internal and external validity of cluster randomised trials: systematic review of recent trials

S Eldridge, D Ashby, C Bennett, M Wakelin, G Feder

Research output: Contribution to journalArticle (Academic Journal)peer-review

132 Citations (Scopus)
Translated title of the contributionInternal and external validity of cluster randomised trials: systematic review of recent trials
Original languageEnglish
Pages (from-to)876 - 880
Number of pages5
JournalBMJ
Volume336
Publication statusPublished - 2008

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