Current Version
Grey literature in meta-analyses of randomized trials of health care interventionsSally Hopewell, Steve McDonald, Mike J Clarke and Matthias Egger
Article first published online: 23 APR 2008 | DOI: 10.1002/14651858.MR000010.pub3
Previous versions of this article and their online publication dates
Version 2
Grey literature in meta-analyses of randomized trials of health care interventionsS Hopewell, S McDonald, M Clarke and M Egger
Article first published online: 24 JAN 2007 | DOI: 10.1002/14651858.MR000010.pub2
Version 1
Grey literature in meta-analyses of randomized trials of health care interventionsS Hopewell, S McDonald, M Clarke and M Egger
Article first published online: 25 JAN 2006 | DOI: 10.1002/14651858.MR000010
