NCT00247338
- Conditions
- Digestive System Diseases, Digestive System Neoplasms, Gastrointestinal Diseases, +9 more
- Locations
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- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University Guangzhou, Guangdong, China
- Department of General Surgery, Affiliated Hospital of Medical University of Tongji Wuhan, Hubei, China
- Department of General Surgery, General Hospital of PLA Beijing, China