Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. May 7, 2017; 23(17): 3084-3091
Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3084
Figure 2
Figure 2 ZD overtube, Cook Endoscopy, Winston-Salem, NC, United States.