NCT04325152
- Conditions
- Endoscopic Retrograde Cholangiopancreatography, Pancreaticobiilary Diseases
- Locations
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- Xiamen Humanity Hospital Xiamen, Fujian, China
- Huaihe Hospital of Henan University Kaifeng, Henan, China
- Xijing Hospital of Digestive Diseases Xi'an, Shaanxi, China
- Department of gastroenterology, Second Affiliated Hospital of Chongqing Medical University Chongqing, China