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COVID-19: underpowered randomised trials, or no randomised trials?
A recently published trial of face mask use to protect against COVID-19 demonstrated a key barrier to carrying out randomised trials in public health: the need for unattainably large sample sizes. For many public health interventions, the choice is not between sufficiently powered trials and underpo...
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| Publicado en: | Trials |
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| Autor Principal: | |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado: |
BioMed Central
2021
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| Assuntos: | |
| Acceso en liña: | https://ncbi.nlm.nih.gov/pmc/articles/PMC8006114/ https://ncbi.nlm.nih.gov/pubmed/33781304 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s13063-021-05209-5 |
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