444
Participants
Start Date
July 31, 2015
Primary Completion Date
August 31, 2017
Study Completion Date
August 31, 2017
Near focus with narrow band imaging
Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan
Inha University School of Medicine, Incheon
Pusan National University School of Medicine, Pusan
Severance Hospital, Yonsei University College of Medicine, Seoul
Soonchunhyang University Hospital, Seoul
Korea University Medical Center, Seoul
Kyung Hee University Hospital, Seoul
Kyunghee University Medical Center
OTHER