Editorial
Copyright ©The Author(s) 2016.
World J Gastrointest Endosc. Jan 25, 2016; 8(2): 30-39
Published online Jan 25, 2016. doi: 10.4253/wjge.v8.i2.30
Figure 1
Figure 1 Barium swallow esophagrams showing typical bird-beak appearance of the distal esophagus.