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Meta-Analysis
©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Sep 21, 2014; 20(35): 12637-12648
Published online Sep 21, 2014. doi: 10.3748/wjg.v20.i35.12637
Figure 1
Figure 1 Flow diagram of the studies that were identified and selected.


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