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Clinical trials registries are under-utilized in the conduct of systematic reviews: a cross-sectional analysis
BACKGROUND: Publication bias is a major threat to the validity of systematic reviews. Searches of clinical trials registries can help to identify unpublished trials, though little is known about how often these resources are utilized. We assessed the usage and results of registry searches reported i...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2014
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4217330/ https://www.ncbi.nlm.nih.gov/pubmed/25348628 http://dx.doi.org/10.1186/2046-4053-3-126 |