Systematic Reviews
Copyright ©The Author(s) 2020.
World J Gastroenterol. Nov 14, 2020; 26(42): 6679-6688
Published online Nov 14, 2020. doi: 10.3748/wjg.v26.i42.6679
Figure 1
Figure 1 Preferred Reporting Items for Systemic Reviews and Meta-Analysis flowchart of the literature search and study selection.