Systematic Reviews
Copyright ©The Author(s) 2020.
World J Gastrointest Endosc. Oct 16, 2020; 12(10): 388-400
Published online Oct 16, 2020. doi: 10.4253/wjge.v12.i10.388
Figure 2
Figure 2 The screening process for the systematic review according to the PRISMA flow diagram.