Observational Study
Copyright ©The Author(s) 2015.
World J Gastrointest Endosc. May 16, 2015; 7(5): 547-554
Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.547
Figure 2
Figure 2 Schematic of subjects included in the study and long-term follow-up. ERC: Endoscopic retrograde cholangiography.