Meta-Analysis
Copyright ©The Author(s) 2018.
World J Gastrointest Endosc. Nov 16, 2018; 10(11): 354-366
Published online Nov 16, 2018. doi: 10.4253/wjge.v10.i11.354
Figure 1
Figure 1 Study selection process in accordance with preferred reporting items for systematic reviews and meta-analysis statement.