Retrospective Study
Copyright ©The Author(s) 2015.
World J Radiol. Apr 28, 2015; 7(4): 70-78
Published online Apr 28, 2015. doi: 10.4329/wjr.v7.i4.70
Figure 6
Figure 6 Micro stones in gallbladder (curved arrow), pre-papillary stenosis (arrow) (A) and endoscopic retrograde cholangiopancreatography shows pre-papillary stone (arrow), not the micro stones that were pulled out by balloon-catheter (B).