1. P281 A serum biomarker panel can accurately identify the presence of mucosal ulcers in patients with Crohn's disease. (15th January 2020) Authors: HOLMER, A; Boland, B; Singh, S; Neill, J; Le, H; Miralles, A; Collins, A; Sandborn, W; Dulai, P Journal: Journal of Crohn's and colitis Issue: Volume 14(2020)Supplement 1 Page Start: S292 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗