70
Participants
Start Date
November 30, 2011
Primary Completion Date
December 31, 2012
Study Completion Date
February 28, 2013
MCE
MCE first, followed by standard gastroscopy
Standard gastroscopy
Shanghai Changhai Hospital, Shanghai
Second Military Medical University
OTHER
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
OTHER
Changhai Hospital
OTHER