Meta-Analysis
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Feb 21, 2013; 19(7): 1124-1134
Published online Feb 21, 2013. doi: 10.3748/wjg.v19.i7.1124
Figure 1
Figure 1 Flow diagram depicting the process of identification and inclusion of selected studies.