Meta-Analysis
Copyright ©The Author(s) 2015.
World J Gastroenterol. May 28, 2015; 21(20): 6352-6360
Published online May 28, 2015. doi: 10.3748/wjg.v21.i20.6352
Figure 2
Figure 2 Quality assessments of included studies. A: Risk of bias summary; B: Risk of bias graph.