Can grey literature be used in systematic reviews?
Grey literature, or evidence not published in commercial publications, can make important contributions to a systematic review. Grey literature can include academic papers, including theses and dissertations, research and committee reports, government reports, conference papers, and ongoing research, among others.
What are examples of grey literature?
Some examples of Grey Literature
- Blogs.
- Clinical trials.
- Conference papers/proceedings.
- Discussion Forums.
- Dissertations and theses.
- Email discussion lists.
- Government documents and reports.
- Interviews.
Where can I find gray literature?
Search for gray literature
- Find registered trials using ClinicalTrials.gov and WHO’s International Clinical Trials Registry Platform (ICTRP)
- Find dissertations using the Networked Digital Library of Theses and Dissertations (NDLTD) and Dissertations and Theses Global.
- Find conference proceedings using Embase and Scopus.
Is PubMed grey literature?
The “grey literature,” materials not published commercially or indexed by major databases such as PubMed, can also be searched.
Does Scopus include grey literature?
Both Google Scholar and Scopus, however, index a variety of types of gray literature. This review discusses the search functionality and search options in both tools for finding gray literature publications, with a focus on conference papers.
Is Web of Science grey literature?
The coverage of grey literature is patchy across mainstream databases. Conference proceedings and dissertations are found in some databases (e.g. Embase and Web of Science), but other forms of grey literature (e.g. industry and government reports) are rarely found in mainstream databases.
Does Scopus have grey literature?
Scopus contains 8,853 publications mentioning grey (or gray) literature, published between 1999 and 2018 (Figure 1). The average annual increase is 28 per cent, with a sharp rise from 26 (1999) to 1,606 publications (2018).
Is Cochrane Library grey literature?
The Cochrane Handbook recommends specific forms of grey literature (which it defines as ‘reports [of studies] published outside of traditional commercial publishing’) be searched for compliant systematic reviews in the health sciences. It also recommends a number of alternative approaches to locating relevant studies.
What is the major challenge with grey literature?
The identification and acquisition of grey literature poses difficulties for academic librarians and other information professionals for several reasons. Poor bibliographic information and control, non-professional layout and format as well as low print runs are the major setbacks of this literature (Augur, 1989).
Does PubMed include grey literature?
Does embase include grey literature?
With more than 32+ million records from over 8,200 journals and ‘grey literature’ from over 2.4 million conference abstracts, Embase includes unique non-English content and coverage of the most important types of evidence, such as randomized controlled trials, controlled clinical trials, Cochrane reviews and meta- …
Is a website grey literature?
Grey literature is generated by a wide variety of public and private organisations and can often be disseminated in hundreds of journals and web pages. This makes it challenging to find grey literature, but various tools and techniques have increasingly simplified our ability to locate it.
Is MEDLINE grey literature?
There is no ‘main’ database for grey literature, e.g. there is no equivalent to MEDLINE, EMBASE or PsycINFO. 2. Grey literature databases often have fewer bibliographic fields to search in than published literature databases, e.g. may not have abstract or index term fields. 3.