NCT02707484
- Conditions
- Gastrointestinal Vascular Malformation
- Locations
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- Peking Union Medical College Hospital Beijing, Beijing Municipality, China
- Xinqiao Hospital of Chongqing Chongqing, Chongqing Municipality, China
- Nanfang Hospital of Southern Medical University Guangzhou, Guangdong, China
- Ruijin Hospital Shanghai, Shanghai Municipality, China