Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

Study Skills

Systematic Reviews: Grey Literature

Sources of grey literature

These are good places to search for grey literature:

What is grey literature?

It is likely that your systematic review will need to include a search of grey literature as well as the peer-reviewed journal articles found through database searching. Grey literature includes unpublished theses, conference proceedings, government reports, unpublished trial data, and more. Leaving out grey literature can run the risk of biasing your results, as doctor and epidemiologist Ben Goldacre explains in the video below.

Searching grey literature can be challenging. Most sources of grey literature cannot be searched with complex Boolean searches the way you would search a database. The CADTH tool for searching grey literature can help.

Contact us

Profile Photo
Medical Library Team
Contact:
University of Cambridge Medical Library
Box 111
School of Clinical Medicine
Cambridge Biomedical Campus
Cambridge
CB2 0SP
01223 336750
Website

©2021 Cambridge University Libraries | Accessibility | Privacy policy | Login to LibApps | Report a problem