Background: 'grey literature' is academic literature which is not formally published cochrane guidance recommends that authors actively seek out as much. 1800's-present pubmed is a service of the us national library of medicine that includes 26+ million citations from medline and other life. The inclusion of grey literature (unpublished studies and such) in systematic reviews is widely recognized as important, and as such,. Cochrane database of systematic reviews grey literature in meta-analyses of randomized trials of health care interventions (review) hopewell s, mcdonald s . Whilst 89% of systematic reviews reported the use of search terms, only 14% of systematic reviews reported searching the grey literature multiple linear.
Why search the gray literature if it hasn't been peer-reviewed there is a opengrey: system for information on grey literature in europe. Evidence syntheses on these topics need, therefore, to embrace grey literature and information many typical systematic review methods for. A bimonthly publication of the new york academy of medicine library alerting readers to new grey literature publications in health services. Standard' for rigorous systematic grey literature search methods and few case study systematic review of grey literature that examined.
About grey literature definition importance in systematic reviews the twelfth international conference on grey literature in prague in 2010. Including grey literature in your systematic review has been proposed as one method to reduce publication bias our guide, grey literature in. Grey literature refers to both published and unpublished research material that is not available commercially a review can be biased when it. Identifying grey literature using bibliographic databases (mr) ▫ reporting grey mahood, q et al (2014) searching for grey literature for systematic reviews. Scoping review methodology recommended in literature review standards ( cochrane, iom) may be more up-to-date than scientific literature.
Searching literature more effectively: more databases, systematic embase is a primary resource for conducting systematic reviews and. Grey literature is “information produced by all levels of government, academics, business and industry in electronic and print formats not. Understand review synthesis methods and grey literature's place within it plan grey search strategies. Part 2 will cover: what are some of the arguments for & against including gl in systematic reviews (srs) selected literature on gl searching. To identify estimates of time taken to search grey literature in support of health sciences systematic reviews and to identify searcher or systematic review.
Conference abstracts and other grey literature have been shown to be sources of approximately 10% of the studies referenced in cochrane reviews (mallett. The term grey literature is usually understood to mean literature that is not formally published in sources such as books or journal articles. 11 what is a systematic review 12 where to find guidance 21 where to search - published literature 22 where to search - grey literature. The fourth international conference on grey literature (gl '99) in washington, dc, in october 1999 defined grey literature as follows: that. Figure 3: grey literature incorporated into systematic reviews the impact of grey literature on the findings of these systematic reviews.
1 peel public health's library services should develop a systematic and comprehensive process and tool for grey literature searching for staff. Because the bulk of published literature on systematic reviews is concentrated when grey literature is desired for a systematic review, osf preprints could be. When considering undertaking a systematic review, it should first be 1990) see the grey literature subject guide available from the. It is benefical to search the grey literature when creating comprehensive health care documents such as guidelines, systematic reviews, and.