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NURS 826 / 899B: Evidence Based Nursing

Grey Literature


This guide contains links to resources relevant to some of the more commonly searched types of grey/gray literature in the health sciences: policy positions, reports, briefings, white papers, documents from professional organizations, and statistics (click here for a comprehensive list of grey literature document types).

Grey/Gray Literature deals with the production, distribution, and access to multiple document types produced on all levels of government, academics, business, and organization in electronic and print formats, not controlled by commercial publishing. Since much of grey literature is unpublished or published through non-commerical avenues it can be difficult to find. For detailed guidance on how to search the grey literature, please see the resources listed below.

Types of grey literature, and tips on how to search for it

This diagram provides a visual representation of the various sources and types of grey literature commonly searched when conducting a systematic review:

Image obtained from: Rose Relevo Slide Presentation from the AHRQ 2011 Annual Conference 9/20/11.

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