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Study filters for non-randomized studies of interventions consistently lacked sensitivity upon external validation
BACKGROUND: Little evidence is available on searches for non-randomized studies (NRS) in bibliographic databases within the framework of systematic reviews. For instance, it is currently unclear whether, when searching for NRS, effective restriction of the search strategy to certain study types is p...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2018
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6299552/ https://www.ncbi.nlm.nih.gov/pubmed/30563471 http://dx.doi.org/10.1186/s12874-018-0625-4 |