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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 journal › Article (Academic Journal) › peer-review

184 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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