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Open Access Highly Accessed Research article

Optimizing search strategies to identify randomized controlled trials in MEDLINE

Li Zhang1*, Isola Ajiferuke2 and Margaret Sampson3

Author Affiliations

1 Natural Sciences Library, University of Saskatchewan, Saskatoon, Canada

2 Faculty of Information and Media Studies, University of Western Ontario, London, Canada

3 Chalmers Research Group, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Canada

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BMC Medical Research Methodology 2006, 6:23  doi:10.1186/1471-2288-6-23

Published: 9 May 2006

Additional files

Additional file 1: Search strategies used :

Highly Sensitive Search Strategy (HSSS)

Format: DOC Size: 25KB Download file

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Additional file 2: Example known item search :

This known item search strategy was to identify included studies in Review 24, as listed in 3. There were two included studies in this review. Numbers in brackets were the number of records found in OVID MEDLINE.

Format: DOC Size: 19KB Download file

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Additional file 3: Systematic reviews of which search strategies were replicated:

Format: DOC Size: 33KB Download file

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Open Data