Cargando…
Extent of Non-Publication in Cohorts of Studies Approved by Research Ethics Committees or Included in Trial Registries
BACKGROUND: The synthesis of published research in systematic reviews is essential when providing evidence to inform clinical and health policy decision-making. However, the validity of systematic reviews is threatened if journal publications represent a biased selection of all studies that have bee...
Autores principales: | , , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2014
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4275183/ https://www.ncbi.nlm.nih.gov/pubmed/25536072 http://dx.doi.org/10.1371/journal.pone.0114023 |