Skip to main content
. Author manuscript; available in PMC: 2009 Nov 5.
Published in final edited form as: Arch Intern Med. 2008 Mar 24;168(6):632–642. doi: 10.1001/archinte.168.6.632

Figure 1.

Figure 1

Inclusion of trials and publication rate. COG indicates cooperative group; RCT, randomized controlled trial.