NCT02515474
- Conditions
- Bile Duct Diseases, Biliary Tract Diseases, Choledocholithiasis, +7 more
- Locations
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- The first hospital of Lanzhou University Lanzhou, Gansu, China
- Union hospital,Tongji medical collage,Huazhong University of science and technology Wuhan, Hubei, China
- Second Xiangya Hospital, Central South University Changsha, Hunan, China
- The First Hospital of Jilin University Changchun, Jilin, China