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The penumbra of randomized control trials
Pre-occupation with randomized control trials as the basis of evidence-based medicine has increasingly shadowed other study designs over the last half a century. These include surveys, case-control studies, and case-cohort studies. They have the potential to overcome several ethical and cost constra...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Medknow Publications & Media Pvt Ltd
2013
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3757578/ https://www.ncbi.nlm.nih.gov/pubmed/24010055 http://dx.doi.org/10.4103/2229-3485.115371 |