Case Control Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Sep 28, 2019; 25(36): 5494-5504
Published online Sep 28, 2019. doi: 10.3748/wjg.v25.i36.5494
Figure 2
Figure 2 Postoperative endoscopic findings. A: Proportions of the presence of bile reflux; B: Proportions of the grade of residual food. aP < 0.05.