The Cochrane Database of Systematic Reviews (CDSR) includes the full text of the regularly updated systematic reviews of the effects of healthcare prepared by The Cochrane Collaboration. The reviews are presented in two types:
The Cochrane Collaboration consists of groups of experts in over 40 clinical specialties who authoritatively review hundreds of studies on topics in their specialty, select those that meet strict EBM criteria, perform "meta-analyses" when possible on all the included studies, and then write detailed, structured reviews of the topic and the findings.
These reviews allow clinicians to get fast, "bottom line" answers to their most commonly-asked questions, based on a comprehensive and expert analysis of the available medical literature.
Each issue of CDSR contains new and updated reviews and protocols. CDSR is unlike other "journal" or "serial" publications in that once a review is published it will appear in every issue thereafter. Because of this, each Review or Protocol includes a section about how to cite that document if needed.
CDSR is also available via the Cochrane Library, but is available here as an Ovid database, using the Ovid search and browse interface.