Minireviews
Copyright ©The Author(s) 2015.
World J Gastrointest Endosc. Mar 16, 2015; 7(3): 274-277
Published online Mar 16, 2015. doi: 10.4253/wjge.v7.i3.274
Figure 1
Figure 1 The anatomy of Oddi sphincter and stone extraction tunnel.