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Copyright ©The Author(s) 2021.
World J Gastrointest Endosc. Dec 16, 2021; 13(12): 607-618
Published online Dec 16, 2021. doi: 10.4253/wjge.v13.i12.607
Figure 3
Figure 3 Tract dilatation. A: Biliary dilation catheter; B: 4 mm balloon dilatator.