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What is Gray Literature?
"The term ‘grey literature’ is often used to refer to reports published outside of traditional commercial publishing" (Cochrane Handbook for Systematic Reviews of Interventions 4.3.5).
Why is it important?
Gray literature usually has not been peer reviewed, but may still be good, reliable information. It can thus be invaluable for your research.
It is produced from a variety of sources, and is usually not indexed or organized, often making it difficult to locate.
What is Gray Literature?
- Social Media
- Clinical Trials
- Government Publications
- Census data
- White Papers
How do I find Gray Literature?
Log into your library account, then use the links below to start your research. For more information or help, please reach out to your liaison librarian.
Mednar is a free, medically-focused deep web search engine that uses Explorit Everywhere!, an advanced search technology by Deep Web Technologies. As an alternative to Google, Mednar accelerates your research with a search of authoritative public and deep web resources, returning the most relevant results to one easily navigable page. Unlike Google, a Mednar search occurs in real-time, retrieving relevant medical information as if you were going to each individual website yourself.
ClinicalTrials.gov is a resource provided by the U.S. National Library of Medicine. Explore 421,413 research studies in all 50 states and in 221 countries.
EU Clinical Trials Register
The EU Clinical Trials Register contains information on interventional clinical trials on medicines conducted in the European Union (EU), or the European Economic Area (EEA) which started after 1 May 2004.
A practical tool for searching health-related matters
Open Grey EU
The System for Information on Grey Literature in Europe used to give open access to 700.000 bibliographical references of grey literature (paper) produced in Europe and allowed to export records and locate the documents. OpenGrey covered Science, Technology, Biomedical Science, Economics, Social Science and Humanities.
Log in to your library account before searching to view full-text availability of articles. Includes theses, conferences and patents.