A protocol for a systematic review on the impact of unpublished studies and studies published in the gray literature in meta-analyses

BACKGROUND: Meta-analyses are particularly vulnerable to the effects of publication bias. Despite methodologists’ best efforts to locate all evidence for a given topic the most comprehensive searches are likely to miss unpublished studies and studies that are published in the gray literature only. I...

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Main Authors: Schmucker, Christine, Bluemle, Annette, Briel, Matthias, Portalupi, Susan, Lang, Britta, Motschall, Edith, Schwarzer, Guido, Bassler, Dirk, Mueller, Katharina F, von Elm, Erik, Meerpohl, Joerg J
Format: Artigo
Jezik:Inglês
Izdano: BioMed Central 2013
Teme:
Protocol
Online dostop:https://ncbi.nlm.nih.gov/pmc/articles/PMC3682918/
https://ncbi.nlm.nih.gov/pubmed/23634657
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/2046-4053-2-24
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