Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Nov 16, 2011; 3(11): 213-219
Published online Nov 16, 2011. doi: 10.4253/wjge.v3.i11.213
Figure 10
Figure 10 This figure exemplifies the proposed classification (adapted from[18]).