Meta-Analysis
Copyright ©The Author(s) 2019.
World J Gastroenterol. Apr 7, 2019; 25(13): 1628-1639
Published online Apr 7, 2019. doi: 10.3748/wjg.v25.i13.1628
Figure 1
Figure 1 The flow diagram shows search results, studies screened, excluded, and reasons for exclusion or inclusion.