Brief Article
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Dec 28, 2009; 15(48): 6102-6110
Published online Dec 28, 2009. doi: 10.3748/wjg.15.6102
Figure 1
Figure 1 Flowchart of study selection. H pylori: Helicobacter pylori.