NCT00402259
- Conditions
- Digestive System Diseases, Gastrointestinal Diseases, Gastrointestinal Hemorrhage, +3 more
- Locations
-
- Research site Fuzhou, Fujian, China
- Research Site Guangzhou, Guangdong, China
- Research Site Wuhan, Hubei, China
- Research Site Xi’an, Shanxi, China