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BMJ. 2004 Mar 20;328(7441):702-8.

CONSORT statement: extension to cluster randomised trials.

Author information

1
Health Services Research Unit, University of Aberdeen, Aberdeen, AB25 2ZD. m.k.campbell@abdn.ac.uk
PMID:
15031246
PMCID:
PMC381234
DOI:
10.1136/bmj.328.7441.702
[Indexed for MEDLINE]
Free PMC Article

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