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Can analyses of electronic patient records be independently and externally validated? Study 2—the effect of β-adrenoceptor blocker therapy on cancer survival: a retrospective cohort study
OBJECTIVES: To conduct a fully independent, external validation of a research study based on one electronic health record database using a different database sampling from the same population. DESIGN: Retrospective cohort analysis of β-blocker therapy and all-cause mortality in patients with cancer....
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| Publicado no: | BMJ Open |
|---|---|
| Main Authors: | , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BMJ Publishing Group
2015
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4401857/ https://ncbi.nlm.nih.gov/pubmed/25869690 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmjopen-2014-007299 |
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