1. Effect of chronic intake of NSAIDs and cyclooxygenase 2—selective inhibitors on esophageal cancer incidence 
Marc Bardou, Alan N. Barkun, Joumana Ghosn, Marie Hudson, Elham Rahme 
Clinical Gastroenterology and Hepatology 
Volume 2, Issue 10, Pages (October 2004)
DOI: /S (04)
Copyright © 2004 American Gastroenterological Association Terms and Conditions

2. Figure 1
Effect of exposure to any, ≥30, ≥60, or ≥90 days of each study drug on esophageal cancer.
Clinical Gastroenterology and Hepatology 2004 2, DOI: ( /S (04) )
Copyright © 2004 American Gastroenterological Association Terms and Conditions