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How well can we assess the validity of non-randomised studies of medications? A systematic review of assessment tools
OBJECTIVE: To determine whether assessment tools for non-randomised studies (NRS) address critical elements that influence the validity of NRS findings for comparative safety and effectiveness of medications. DESIGN: Systematic review and Delphi survey. DATA SOURCES: We searched PubMed, Embase, Goog...
Autores principales: | , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7993210/ https://www.ncbi.nlm.nih.gov/pubmed/33762237 http://dx.doi.org/10.1136/bmjopen-2020-043961 |