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Randomised controlled trials and changing public health practice
One reason for doing randomised controlled trials (RCTs) is that experiments can be convincing. Early epidemiological experimenters, such as Jenner and the smallpox vaccine and Snow and his famous Broad Street pump handle, already knew the answer they were demonstrating; they used the experiments as...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2017
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5506603/ https://www.ncbi.nlm.nih.gov/pubmed/28699541 http://dx.doi.org/10.1186/s12889-017-4287-7 |