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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