1. Systematic Review on Epidemiology of Gastroesophageal Reflux Disease in Asia 
Benjamin C.Y. Wong, Yoshikazu Kinoshita 
Clinical Gastroenterology and Hepatology 
Volume 4, Issue 4, Pages (April 2006)
DOI: /j.cgh
Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

2. Figure 1
The risk factors for (A) GERD and its main esophageal complication (B) reflux esophagitis. Odds ratios with 95% confidence intervals. Data from Rosaida et al.39 dx = diagnosis.
Clinical Gastroenterology and Hepatology 2006 4, DOI: ( /j.cgh )
Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

3. Figure 2
Prevalence of GERD (defined as heartburn and/or acid regurgitation at least once a week or at least once a month) in Japan. ■, at least monthly; ●, at least weekly. Reprinted with permission from Hirakawa et al.21
Clinical Gastroenterology and Hepatology 2006 4, DOI: ( /j.cgh )
Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

4. Figure 3
The prevalence of H pylori infection in Japan. ▴, 1974; ●, 1984; ■, Reprinted with permission from Fujisawa et al.47
Clinical Gastroenterology and Hepatology 2006 4, DOI: ( /j.cgh )
Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions