NCT00786773
- Conditions
- Deglutition Disorders, Digestive System Diseases, Esophageal Diseases, +8 more
- Locations
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- Research Site Long Xuyen, An Giang, Vietnam
- Research Site Qui Nhon, Binh Dinh, Vietnam
- Research Site Buon Ma Thuot, Dac Lac, Vietnam
- Research Site Bien Hoa, Dong Nai, Vietnam