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 1511-1518 (November 2010) DOI: 10.1053/j.gastro.2010.07.039 Copyright © 2010 AGA Institute Terms and Conditions
Figure 1 Eligibility of study subjects. Gastroenterology 2010 139, 1511-1518DOI: (10.1053/j.gastro.2010.07.039) Copyright © 2010 AGA Institute Terms and Conditions