1. Volume 126, Issue 7, Pages 1692-1699 (June 2004)
Gastroesophageal reflux among different racial groups in the United States 
Hashem B. El-Serag, Nancy J. Petersen, Junaia Carter, David Y. Graham, Peter Richardson, Robert M. Genta, Linda Rabeneck 
Gastroenterology 
Volume 126, Issue 7, Pages (June 2004)
DOI: /j.gastro

2. Figure 1
Prevalence rates of erosive esophagitis (EE) stratified by weekly GERD symptoms (heartburn, regurgitation, heartburn or regurgitation) in 215 participants from different racial groups. EE, erosive esophagitis; severe, grade B or greater.
Gastroenterology  , DOI: ( /j.gastro )