Randomised trials versus observational studies: Is the comparative observational study a poor compromise or a perfect synthesis?

被引:2
|
作者
Gaus, W [1 ]
机构
[1] Univ Ulm, D-890785 Ulm, Germany
来源
FORSCHENDE KOMPLEMENTARMEDIZIN UND KLASSISCHE NATURHEILKUNDE | 2004年 / 11卷
关键词
cohort study; clinical trial; random allocation; Zelen-design; change-to-open-label design;
D O I
10.1159/000080568
中图分类号
R [医药、卫生];
学科分类号
10 ;
摘要
Overview of some fundamental designs for clinical trials and studies. Some tentative definitions are given in order to stimulate questions and perspectives for further research.
引用
收藏
页码:3 / 4
页数:2
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