Brief Article
Copyright ©2010 Baishideng.
World J Gastroenterol. May 28, 2010; 16(20): 2520-2525
Published online May 28, 2010. doi: 10.3748/wjg.v16.i20.2520
Figure 1
Figure 1 Study population. Starting with all esophagogastroduodenoscopies (EGDs) performed at the study sites during the study period, all EGDs with dyspepsia as an indication were identified, and patients who had undergone at least 2 EGDs with dyspepsia as an indication were selected.