Some of our databases and search engines will allow you to limit results to peer-reviewed publications.
Use the Search the Library tool to find articles and limit results to peer-reviewed journals. To limit, search for a topic or title and use the filter to the left, Peer-reviewed Journals, of the search results list.
In CINAHL, Academic Search Complete, Psychology and Behavioral Sciences Collection, and other databases available through the Ebsco interface, click on the "Show More" link in the left-hand column. A new window with additional filters will open. Put a checkmark in the box marked "Peer Reviewed."
Unfortunately, PubMed, Scopus, and databases available through the Ovid interface (including MEDLINE) do not have an option to limit to peer-reviewed publications, although you can limit to specific types of publications such as clinical trials, systematic reviews, etc.
If you need to determine whether a particular journal is peer-reviewed, see our recommendation here.