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Limits of Observational Data in Determining Outcomes From Cancer Therapy
BACKGROUND: Observational data are used increasingly to assess the effectiveness of therapies. However, selection biases are likely to have an impact on results and threaten the validity of these studies. METHODS: The primary objective of the current study was to explore the effect of selection bias...
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| Main Authors: | , , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2008
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3856661/ https://ncbi.nlm.nih.gov/pubmed/18428196 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/cncr.23452 |
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