Randomised controlled trials and changing public health practice
Abstract 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 exper...
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| Формат: | Книга |
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BMC,
2017-05-01T00:00:00Z.
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