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Copyright ©The Author(s) 2016.
World J Gastrointest Endosc. Jan 25, 2016; 8(2): 56-66
Published online Jan 25, 2016. doi: 10.4253/wjge.v8.i2.56
Figure 1
Figure 1 “Bird-beak” esophagram. Barium esophagram of a 16-year-old male demonstrating a dilated proximal esophagus with smooth tapering distally; findings consistent with achalasia.