Review
Copyright ©The Author(s) 2016.
World J Gastrointest Pharmacol Ther. Nov 6, 2016; 7(4): 503-512
Published online Nov 6, 2016. doi: 10.4292/wjgpt.v7.i4.503
Figure 3
Figure 3 According to Bernoulli's principle, the pressure at the extended site is increased.