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World J Gastrointest Endosc. Feb 16, 2014; 6(2): 41-48
Published online Feb 16, 2014. doi: 10.4253/wjge.v6.i2.41
Figure 2
Figure 2 Relative diameters of an ultra-thin endoscope (left, 5. 9 mm) and a standard gastroscope (right, 8.8 mm).