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Extent of Non-Publication in Cohorts of Studies Approved by Research Ethics Committees or Included in Trial Registries
- Christine Schmucker,
- Lisa K. Schell,
- Susan Portalupi,
- Patrick Oeller,
- Laura Cabrera,
- Dirk Bassler,
- Guido Schwarzer,
- Roberta W. Scherer,
- Gerd Antes,
- Erik von Elm
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- Published: December 23, 2014
- https://doi.org/10.1371/journal.pone.0114023