Review
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Dec 7, 2014; 20(45): 16984-16995
Published online Dec 7, 2014. doi: 10.3748/wjg.v20.i45.16984
Figure 4
Figure 4 Advanced techniques. A: Jiggling; B: Effect of jiggling; C: Shaking; D: Effect of shaking; E: Right turn shortening; F: Left turn shortening.