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Causal assessment of surrogacy in a meta-analysis of colorectal cancer trials
When the true end points (T) are difficult or costly to measure, surrogate markers (S) are often collected in clinical trials to help predict the effect of the treatment (Z). There is great interest in understanding the relationship among S, T, and Z. A principal stratification (PS) framework has be...
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| Main Authors: | , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Oxford University Press
2011
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3114655/ https://ncbi.nlm.nih.gov/pubmed/21252079 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/biostatistics/kxq082 |
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