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Copyright ©The Author(s) 2015.
World J Gastrointest Endosc. May 16, 2015; 7(5): 496-509
Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.496
Figure 9
Figure 9 Selective myotomy of the circular muscle fibers. The longitudinal muscle fibers have been preserved.