1. DOP38 An observational study to evaluate the burden of illness in patients with Crohn's Disease with and without perianal fistulas in the USA. (27th May 2021) Authors: Jiang, J; Cazzetta, S E; Athavale, A; Kuharic, M; Fan, T; Silber, A; Vijay, A; Hadker, N; Sharpe, E; Nazarey, P P Journal: Journal of Crohn's and colitis Issue: Volume 15(2021)Supplement 1 Page Start: S076 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗