 | Up a level |
Gerber, Stefan; Tallon, Deborah; Trelle, Sven; Schneider, Martin; Jüni, Peter; Egger, Matthias (2007). Bibliographic study showed improving methodology of meta-analyses published in leading journals 1993-2002. Journal of clinical epidemiology, 60(8), pp. 773-80. New York, N.Y.: Elsevier 10.1016/j.jclinepi.2006.10.022
