Meta-Analysis
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 28, 2012; 18(48): 7371-7377
Published online Dec 28, 2012. doi: 10.3748/wjg.v18.i48.7371
Figure 1
Figure 1 Flow chart of article inclusion and screening. RCT: Randomized controlled trial.