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Meta-Analysis
©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jul 28, 2013; 19(28): 4607-4615
Published online Jul 28, 2013. doi: 10.3748/wjg.v19.i28.4607
Figure 1
Figure 1 Flow diagram illustrating the process of identification of relevant studies.


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