360
Participants
Start Date
October 20, 2018
Primary Completion Date
October 20, 2024
Study Completion Date
October 20, 2024
NBI withdrawal method
The newly available second generation of NBI using the 290 system (290-NBI) provides an at least twofold brighter image compared with the previous version
RECRUITING
Department of Gastroenterology, PLA Army General Hospital, Beijing
Yuqi He
OTHER