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A protocol for a systematic review on the impact of unpublished studies and studies published in the gray literature in meta-analyses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A protocol for a systematic review on the impact of unpublished studies and studies published in the gray literature in meta-analyses

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

Systematic reviews, 2013-05-02, Vol.2 (1), p.24-24 [Peer Reviewed Journal]

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Protocol for a systematic review on the extent of non-publication of research studies and associated study characteristics
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Article
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Protocol for a systematic review on the extent of non-publication of research studies and associated study characteristics

Portalupi, Susan ; von Elm, Erik ; Schmucker, Christine ; Lang, Britta ; Motschall, Edith ; Schwarzer, Guido ; Gross, Isabel T ; Scherer, Roberta W ; Bassler, Dirk ; Meerpohl, Joerg J

Systematic reviews, 2013, Vol.2 (1), p.2-2 [Peer Reviewed Journal]

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Extent of Non-Publication in Cohorts of Studies Approved by Research Ethics Committees or Included in Trial Registries
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Extent of Non-Publication in Cohorts of Studies Approved by Research Ethics Committees or Included in Trial Registries

Schmucker, Christine ; Schell, Lisa K ; Portalupi, Susan ; Oeller, Patrick ; Cabrera, Laura ; Bassler, Dirk ; Schwarzer, Guido ; Scherer, Roberta W ; Antes, Gerd ; von Elm, Erik ; Meerpohl, Joerg J Petersen, Irene

PloS one, 2014, Vol.9 (12), p.e114023 [Peer Reviewed Journal]

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