研究设计VII. 随机对照试验。
Study design VII. Randomised controlled trials.
作者信息
Levin Kate Ann
机构信息
Child and Adolescent Health Research Unit, University of Edinburgh, Edinburgh, Scotland, UK.
出版信息
Evid Based Dent. 2007;8(1):22-3. doi: 10.1038/sj.ebd.6400473.
PMID: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.
摘要
在本系列文章的前一篇中，我概述了主要的研究设计类型以及用于尽量减少获得有偏差结果可能性的技术。在本文中，我将更全面地描述随机对照试验、其用途、优点和局限性。
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