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PDFResearch methods and reporting
General medicine
The magnitude of small-study effects in the Cochrane Database of Systematic Reviews: an empirical study of nearly 30 000 meta-analyses
- Correspondence to Dr Lifeng Lin, Department of Statistics, Florida State University, Tallahassee, FL 32306, USA; linl{at}stat.fsu.edu
Citation
The magnitude of small-study effects in the Cochrane Database of Systematic Reviews: an empirical study of nearly 30 000 meta-analyses
Publication history
- Received March 4, 2019
- Revised May 22, 2019
- First published July 4, 2019.
Online issue publication
January 23, 2020
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© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.