1. Evidence for Endoscopic Ulcers as Meaningful Surrogate Endpoint for Clinically Significant Upper Gastrointestinal Harm 
Andrew Moore, Ingvar Bjarnason, Byron Cryer, Luis Garcia–Rodriguez, Larry Goldkind, Angel Lanas, Lee Simon 
Clinical Gastroenterology and Hepatology 
Volume 7, Issue 11, Pages (November 2009)
DOI: /j.cgh
Copyright © 2009 AGA Institute Terms and Conditions

2. Figure 1 Changing definitions of gastrointestinal events.
Clinical Gastroenterology and Hepatology 2009 7, DOI: ( /j.cgh )
Copyright © 2009 AGA Institute Terms and Conditions