NCT04282980
- Conditions
- Digestive System Diseases, Digestive System Neoplasms, Gastrointestinal Diseases, +6 more
- Locations
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- Beijing Cancer Hospital Beijing, Beijing Municipality, China
- Chinese People's Liberation Army General Hospital Beijing, Beijing Municipality, China
- Union Medical College Hospital, Chongqing Medical University Chongqing, Chongqing Municipality, China
- Union Medical College Hospital, Fujian Medical University Fuzhou, Fujian, China