1. P842 SARS-CoV-2 antibody titers analysis in immune mediated inflammatory disease patients after COVID-19 vaccination: a monocentric retrospective study. (30th January 2023) Authors: Delaleeuwe, I; Aoun, J; Hoyois, A; Brasseur, C; Di Romana, S; Muls, V Journal: Journal of Crohn's and colitis Issue: Volume 17(2023)Supplement 1 Page Start: i968 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗