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BMJ. 2004 Jun 26;328(7455):1561-3.

Complex interventions: how "out of control" can a randomised controlled trial be?

Author information

1
Department of Community Health Sciences, University of Calgary, 3330 Hospital Drive NW, Calgary T2N 4N1, Alberta, Canada. phawe@ucalgary.ca
PMID:
15217878
PMCID:
PMC437159
DOI:
10.1136/bmj.328.7455.1561
[Indexed for MEDLINE]
Free PMC Article
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