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Open Access Highly Accessed Open Badges Research article

Cluster randomised trials in the medical literature: two bibliometric surveys

J Martin Bland

Author Affiliations

Department of Health Sciences, University of York, York YO10 5DD, United Kingdom

BMC Medical Research Methodology 2004, 4:21  doi:10.1186/1471-2288-4-21

Published: 13 August 2004

Additional files

Additional File 1:

Papers in the survey List of papers in the survey of the BMJ, Word file.

Format: DOC Size: 24KB Download file

This file can be viewed with: Microsoft Word Viewer

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