| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1083480 | Journal of Clinical Epidemiology | 2009 | 10 Pages |
Abstract
A minority of Cochrane reviews include “unpublished trials” and many of these are eventually published. Truly unpublished studies have poor or unclear methodological quality. Therefore, it may be better to invest in regular updating of reviews, rather than in extensive searching for unpublished data.
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Authors
Mieke L. van Driel, An De Sutter, Jan De Maeseneer, Thierry Christiaens,