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Obtaining data from randomised controlled trials: how much do we need for reliable and informative meta-analyses?
Many randomised controlled trials compare treatments that will produce only moderate differences in outcome, but these differences can be clinically important. However, they are difficult to assess reliably and require a large amount of randomised evidence. This can be achieved through large prospec...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BMJ Group
1994
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2541306/ https://ncbi.nlm.nih.gov/pubmed/7950694 |
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