Beyond randomized controlled trials: A c
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Henrik Toft SΓΈrensen; Timothy L. Lash; Kenneth J. Rothman
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Article
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2006
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John Wiley and Sons
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English
β 113 KB
Observational analogs of randomized clinical trials (RCTs) are well accepted in the study of disease risk factors, diagnosis, and prognosis. There is controversy about observational studies when the focus is on the intended benefit due to lack of blinding and poor control for unmeasured confounding.