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World J Gastroenterol. Apr 7, 2023; 29(13): 1955-1968
Published online Apr 7, 2023. doi: 10.3748/wjg.v29.i13.1955
Figure 1
Figure 1 The oral protrusion. Endoscopic sphincterotomy incision size. The risk of perforation increases when the incision exceeds the superior margin of oral protrusion.