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Copyright ©The Author(s) 2015.
World J Gastrointest Endosc. May 16, 2015; 7(5): 510-517
Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.510
Figure 1
Figure 1 SpyGlass® (Boston Scientific, Natick, MA, United States).
Figure 2
Figure 2 Polyscope system (Polydiagnost, Pfaffenhofen, Germany).