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World J Gastrointest Endosc. Sep 16, 2013; 5(9): 420-427
Published online Sep 16, 2013. doi: 10.4253/wjge.v5.i9.420
Figure 5
Figure 5 Human lower esophageal sphincter anatomy in relation to per-oral endoscopic myotomy myotomy orientation (© S. N. Stavropoulos, Winthrop University Hospital, 2012).