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The following is a list of just some of the resources one could consider to search when conducting a systematic review of the literature. MCW Librarians are available to suggest databases, help you with your search strategy and to conduct searches for you!
What is Grey Literature?
Grey literature consists of studies produced by the government, industry, or other organizations in the form of reports, working papers, data sets, dissertations, fact sheets, policy documents or standards which do not appear in commercial journals. Grey literature is usually not indexed in standard databases and can be difficult to find. Grey literature should be consulted to reduce the risk of publication bias in the results of a systematic review.
Locating Grey Literature