| Autor: |
Guo C; Endoscopy Center, Department of Gastroenterology, Shanghai East Hospital, Shanghai, China., Liu W; Endoscopy Center, Department of Gastroenterology, Shanghai East Hospital, Shanghai, China., Wang Y; Endoscopy Center, Department of Gastroenterology, Shanghai East Hospital, Shanghai, China., Chen T; Endoscopy Center, Department of Gastroenterology, Shanghai East Hospital, Shanghai, China., Xu M; Endoscopy Center, Department of Gastroenterology, Shanghai East Hospital, Shanghai, China. |
