NCT02755753
- Conditions
- Deglutition Disorders, Digestive System Diseases, Esophageal Diseases, +3 more
- Locations
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- Yang Shiming Chongqing, Chongqing Municipality, China
- Soonchunhyang University Bucheon Hospital Bucheon-si, South Korea
- Kyungpook National University Medical Center Daegu, South Korea
- Konyang University Hospital Daejeon, South Korea