| Literature DB >> 17380181 |
Abstract
Previously in this series, I have given an overview of the main types of study design and the techniques used to minimise the likelihood of obtaining biased results. In this article I describe more fully randomised controlled trials, their uses, advantages and limitations.Mesh:
Year: 2007 PMID: 17380181 DOI: 10.1038/sj.ebd.6400473
Source DB: PubMed Journal: Evid Based Dent ISSN: 1462-0049