1. P461 Intolerance to 5-aminosalicylate is a risk of poor prognosis in ulcerative colitis patients. (15th January 2020) Authors: Fujii, T; Hibiya, S; Maeyashiki, C; Saito, E; Takenaka, K; Motobayashi, M; Shimizu, H; Nagahori, M; Ohtsuka, K; Kurosaki, M; Yauchi, T; Watanabe, M Journal: Journal of Crohn's and colitis Issue: Volume 14(2020)Supplement 1 Page Start: S409 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗