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Medical Professionals NHS Library Guide

This guide is for Medical Professionals working for St George's University Hospitals NHS Foundation Trust

Information types

Grey literature is commonly defined as literature not formally published in books or journals, and can take many forms. In addition to the sources of clinical trial summaries (detailed separately), the below offer some commonly used sources for searching grey literature.

Databases and search engines

Conference abstracts & proceedings

Dissertations and theses

Pre-print servers

Additional resources

Use the below sources to find information on registered clinical trials, both completed and ongoing.

UK data and statistics

International data and statistics