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Evidence-Based Dentistry (2003) 7, 51–52. doi:10.1038/sj.ebd.6400407
Study design IV: Cohort studies
Kate Ann Levin1
1Dental Health Services Research Unit, University of Dundee, Dundee, Scotland, UK
Abstract
Previously in this series I have given an overview of the main types of study design and the techniques used to minimise biased results. In this article I describe more fully cohort studies, their uses, advantages and limitations.
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