The videos, services, and guidance on this page will help you retrieve full-text journal articles, publications, and grey literature.
The term grey literature refers to all information that isn't commercially published. This can include the following types of documents:
Including grey literature in a systematic review can strengthen the overall product by minimizing publication bias. All sources of information, including grey literature, which is rarely peer reviewed, should undergo quality assessment and appraisal before being included in the final SR analysis.
See the Grey Literature page of this guide for resources and help searching for grey literature.