A protocol for a systematic review on the impact of unpublished studies and studies published in the gray literature in meta-analyses
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| Description | scientific article |
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author: OPEN Consortium Susan Portalupi Erik von Elm Christine Schmucker Isabelle Boutron Edith Motschall Joerg J Meerpohl Dirk Bassler Guido Schwarzer Britta Lang Matthias Briel |
| Publication date | May 2, 2013 |
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