Rapid Communication
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 28, 2007; 13(32): 4372-4378
Published online Aug 28, 2007. doi: 10.3748/wjg.v13.i32.4372
Figure 5
Figure 5 Funnel plot for the analysis of publication bias on the studies in which the DBE was performed without combination of the two approaches.