1. Volume 139, Issue 5, Pages 1511-1518 (November 2010)
Prevalence of Colorectal Cancer Surveillance for Ulcerative Colitis in an Integrated Health Care Delivery System 
Fernando S. Velayos, Liyan Liu, James D. Lewis, James E. Allison, Nicole Flowers, Susan Hutfless, Oren Abramson, Geraldine S. Perry, Lisa J. Herrinton 
Gastroenterology 
Volume 139, Issue 5, Pages (November 2010)
DOI: /j.gastro
Copyright © 2010 AGA Institute Terms and Conditions

2. Figure 1 Eligibility of study subjects.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2010 AGA Institute Terms and Conditions