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Meta-Analysis
©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 7, 2013; 19(45): 8408-8419
Published online Dec 7, 2013. doi: 10.3748/wjg.v19.i45.8408
Figure 1
Figure 1 Screening process of studies. PPI: Proton pump inhibitor.


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