1. P816 The efficacy of an over the counter multivitamin and mineral supplement to prevent opportunistic infections in patients with inflammatory bowel disease in remission. (30th January 2023) Authors: Laheij, R; van Knippenberg, Y; Heil, A; Mannaerts, B; Bruin, K; Lutgens, M; Sikkema, M; de Wit, U; Laheij, R Journal: Journal of Crohn's and colitis Issue: Volume 17(2023)Supplement 1 Page Start: i950 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗