Learn how to use the various resources for finding quality evidence with this series of short screencast videos. Please note: these videos do not contain an audio track.
"Based on the best available information ..., Cochrane reviews explore the evidence for and against the effectiveness and appropriateness of treatments (medications, surgery, education, etc) in specific circumstances."
Search CINAHL for your topic and use the "Publication Type" limit to find Systematic Reviews.
Search PubMed for your topic, then limit the results by "Article Type" to Systematic Reviews. Alternatively, click on Clinical Queries, perform your search, and pay attention to the middle column.
A systematic review is "a high-level overview of primary research on a particular research question that tries to identify, select, synthesize and appraise all high quality research evidence relevant to that question in order to answer it." --from the Cochrane Collaboration webpage
A meta-analysis is "the use of statistical techniques in a systematic review to integrate the results of included studies. Sometimes misused as a synonym for systematic reviews, where the review includes a meta-analysis." --from the Cochrane Collaboration Glossary
Clues that the review is systematic:
More information can be found at PRISMA.