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The external validity of published randomized controlled trials in primary care
BACKGROUND: A criticism of Randomized Controlled Trials (RCTs) in primary care is that they lack external validity, participants being unrepresentative of the wider population. Our aim was to determine whether published primary care-based RCTs report information about how the study sample is assembl...
| Autores principales: | , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2009
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2632986/ https://www.ncbi.nlm.nih.gov/pubmed/19152681 http://dx.doi.org/10.1186/1471-2296-10-5 |