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Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Nov 14, 2014; 20(42): 15599-15607
Published online Nov 14, 2014. doi: 10.3748/wjg.v20.i42.15599
Figure 1
Figure 1 Commercially available single port devices: Reusable (upper) and disposable systems (lower).