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Grey Literature

"Grey Literature" are clinical trials, theses and dissertations, government reports, organizational publications, conference proceedings, and other materials NOT distributed by commercial publishers. Grey literature can be difficult to locate, but is important in filling information gaps and overcoming publication bias. Here are a list of resources to aid in finding grey literature:

Clinical Trials

Theses

Reports, Data, Open Access Archives

Meetings / Proceedings / Conference Abstracts

FROM MULTNOMAH COUNTY LIBRARY: Users will need a Multnomah County Library card to access these resources. If you live outside of Multnomah County, check with your local library to see if they have access to these resources.

  • PapersFirst (FirstSearch). OCLC index of papers presented at conferences worldwide
  • ProceedingsFirst (FirstSearch). An OCLC index of worldwide conference proceedings

Open Access Publications

  • BASE (Bielefeld Academic Search Engine): BASE is one of the world's most voluminous search engines especially for academic open access web resources. BASE is operated by Bielefeld University Library.
  • HighWire. A large archive of full-text science and biomedical articles. Some restrictions apply. Searchable by keyword.
  • Directory of Open Access Journals (DOAJ). Database of quality controlled scientific and scholarly journals. They are searchable by journal title and subject area. The "Health Sciences" area is most useful.
  • OAIster. A union catalog of millions of records representing open access resources.
  • Free Medical Journals. This site allows you to search for articles in medical journals by specialty, title, or keyword. Only publications free on-line are available.

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