Journal article
Should Unpublished Data Be Included in Meta-analyses?: Current Convictions and Controversies
Abstract
Objective. —To identify the extent to which meta-analyses currently include unpublished data and whether editors, meta-analysts, and methodologists believe unpublished material should be included.Design. —This article describes two related studies: a literature review and a cross-sectional survey.Sample Selection. —For the literature review, we identified all articles indexed by the key word meta-analysis from January 1989 to February 1991 and …
Authors
Cook DJ; Guyatt GH; Ryan G; Clifton J; Buckingham L; Willan A; Mcllroy W; Oxman AD
Journal
JAMA: The Journal of the American Medical Association, Vol. 269, No. 21, pp. 2749–2753
Publisher
American Medical Association (AMA)
Publication Date
June 2, 1993
DOI
10.1001/jama.1993.03500210049030
ISSN
0098-7484