Retrospective Study
Copyright ©The Author(s) 2018.
World J Gastroenterol. Mar 14, 2018; 24(10): 1144-1151
Published online Mar 14, 2018. doi: 10.3748/wjg.v24.i10.1144
Figure 1
Figure 1 Proper muscle layer exposure during endoscopic submucosal dissection in esophagus. A: Absent; B: Present.