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Meta-Analysis
©The Author(s) 2021.
World J Gastrointest Oncol. Sep 15, 2021; 13(9): 1196-1209
Published online Sep 15, 2021. doi: 10.4251/wjgo.v13.i9.1196
Figure 2
Figure 2 Quality of randomized controlled trials and cohorts. RCT: Randomized controlled trial.


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