Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastrointest Endosc. Jul 16, 2017; 9(7): 296-303
Published online Jul 16, 2017. doi: 10.4253/wjge.v9.i7.296
Figure 1
Figure 1 Flow diagram demonstrating selection of patients. ERCP: Endoscopic retrograde cholangiopancreatography.