Journal of Neurogastroenterology and Motility : eISSN 2093-0887 / pISSN 2093-0879

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Fig. 2. High resolutional esophageal manometric findings. Upper esophageal sphincter (UES) does not show relaxation on swallowing (white arrow). After trying several times, the UES becomes relaxed (black arrow). No other abnormal esophageal motility is found.
J Neurogastroenterol Motil 2010;16:319~322
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