Systematic Reviews
Copyright ©The Author(s) 2022.
World J Gastrointest Endosc. Jul 16, 2022; 14(7): 443-454
Published online Jul 16, 2022. doi: 10.4253/wjge.v14.i7.443
Figure 1
Figure 1  Preferred reporting items for systematic reviews and meta-analysis PRISMA[24] flow diagram.