126
Participants
Start Date
November 30, 2011
Primary Completion Date
March 31, 2012
Study Completion Date
April 30, 2012
Acetic acid chromoendoscopy
Acetic acid chromoendoscopy Spraying 1.5% acetic acid(or vinegar), during screening gastroduodenoscopy
Department of Gastroenterology and Hepatology; Konyang University Hospital, Daejeon
Konyang University Hospital
OTHER