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- Search Terms:ISSN: 00429686AndISSN: 15640604AndVolume Number: 87AndIssue Number: 10AndStart Page: 772AndDate: 2009 Revise Search
- 1From: Bulletin of the World Health Organization. (Vol. 87, Issue 10) Peer-ReviewedPublic health interventions usually operate at the level of groups rather than individuals, and cluster randomized controlled trials (RCTs) are one means of evaluating their effectiveness. Using examples from six such...