Basic Study
Copyright ©The Author(s) 2020.
World J Gastrointest Oncol. Jan 15, 2020; 12(1): 54-65
Published online Jan 15, 2020. doi: 10.4251/wjgo.v12.i1.54
Figure 4
Figure 4 Representative images of PPA in each group. A: PPA group; B: Sham group.