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Systematic Reviews
©The Author(s) 2020.
World J Gastroenterol. May 21, 2020; 26(19): 2440-2457
Published online May 21, 2020. doi: 10.3748/wjg.v26.i19.2440
Figure 3
Figure 3 Risk of bias graph and summary of included studies. A: Risk of bias graph of included studies; B: Risk of bias of included studies.


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