The Cochrane Controlled Trials Register - Bibliographic information on controlled trials
The Cochrane Database of Systematic Reviews - Regularly updated reviews of the effects of health care
Cochrane Methodology Register - Database of studies relevant to the methods of systematic reviews of healthcare and social interventions.
Database of Abstracts of Reviews of Effectiveness - Critical assessments and structured abstracts of good systematic reviews published elsewhere
Economic Evaluation Database - Contains summaries of economic evaluations of healthcare interventions.
Health Technology Assessment Database - Contains summaries of completed and ongoing health technology assessments from around the world
In addition, there are links to the Cochrane Collaboration and detailed resources essential to the preparation of systematic reviews, to a critical understanding of clinical literature, and to understanding the concepts behind evidence-based health care.