Volume 124, Issue 4, Pages 889-893 (April 2003) Ursodeoxycholic acid as a chemopreventive agent in patients with ulcerative colitis and primary sclerosing cholangitis Darrell S. Pardi, Edward V. Loftus, Walter K. Kremers, Jill Keach, Keith D. Lindor Gastroenterology Volume 124, Issue 4, Pages 889-893 (April 2003) DOI: 10.1053/gast.2003.50156 Copyright © 2003 American Gastroenterological Association Terms and Conditions
Fig. 1 Kaplan-Meier estimates of proportion of patients free of dysplasia or cancer according to initial treatment assignment. Gastroenterology 2003 124, 889-893DOI: (10.1053/gast.2003.50156) Copyright © 2003 American Gastroenterological Association Terms and Conditions