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Copyright ©The Author(s) 2016.
World J Gastrointest Endosc. Feb 10, 2016; 8(3): 122-127
Published online Feb 10, 2016. doi: 10.4253/wjge.v8.i3.122
Figure 1
Figure 1 Endoscopic view of the esophagus shows that water jet flow washes away the bubbles caused by saliva or mucous in the esophagus.