1. A National Study of Helicobactor pylori Infection in Gastric Biopsy Specimens 
Amnon Sonnenberg, Richard H. Lash, Robert M. Genta 
Gastroenterology 
Volume 139, Issue 6, Pages e2 (December 2010)
DOI: /j.gastro
Copyright © 2010 AGA Institute Terms and Conditions

2. Figure 1
Age distributions of patients with histologic findings of H pylori, chronic active gastritis, intestinal metaplasia, and Barrett's metaplasia.
Gastroenterology  , e2DOI: ( /j.gastro )
Copyright © 2010 AGA Institute Terms and Conditions

3. Figure 2
Correlations between the geographic distributions of prevalence of H pylori, intestinal metaplasia, chronic active gastritis, and Barrett's metaplasia. Each point represents a different US state.
Gastroenterology  , e2DOI: ( /j.gastro )
Copyright © 2010 AGA Institute Terms and Conditions