1. Natural History of Severe Ulcerative Colitis in a Community-Based Health Plan 
James Allison, Lisa J. Herrinton, Liyan Liu, Jenny Yu, James Lowder 
Clinical Gastroenterology and Hepatology 
Volume 6, Issue 9, Pages (September 2008)
DOI: /j.cgh
Copyright © 2008 AGA Institute Terms and Conditions

2. Figure 1
Time to second hospitalization after discharge from initial hospitalization.
Clinical Gastroenterology and Hepatology 2008 6, DOI: ( /j.cgh )
Copyright © 2008 AGA Institute Terms and Conditions