NCT02140827
- Conditions
- Bowel Preparation
- Locations
-
- Department of gastroenterology, Chancheng Central Hospital of Foshan Foshan, Guangdong, China
- Department of gastroenterology, Shaanxi Second People's Hospital Xi'an, Shaanxi, China
- Xijing Hospital of Digestive Diseases Xi'an, Shaanxi, China