NCT01750437
- Conditions
- Deglutition Disorders, Digestive System Diseases, Esophageal Diseases, +5 more
- Locations
-
- Catholic yeouido sungmo hospital Seoul, South Korea
- DongA university hospital Busan, South Korea
- Kyungbook University hospital Daegu, South Korea
- Chungnam university hospital Daejeon, South Korea