Systematic Reviews
Copyright ©The Author(s) 2022.
World J Gastrointest Oncol. Feb 15, 2022; 14(2): 533-542
Published online Feb 15, 2022. doi: 10.4251/wjgo.v14.i2.533
Figure 1
Figure 1 Preferred Reporting Items for Systematic Reviews and Meta-Analyses flow chart.