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. Author manuscript; available in PMC: 2015 Oct 6.
Published in final edited form as: Am J Gastroenterol. 2014 Mar 25;109(5):668–675. doi: 10.1038/ajg.2014.47

Figure 1.

Figure 1

Residential locations of patients receiving upper endoscopy with esophageal biopsy from 2009 to 2012 in the U.S. Note that exact locations have been altered slightly to preserve confidentiality.